• General Update - Week 132

    So, what have I been doing since November 27th?

    1. Secret Location Startup
    2. New version of Basic Sat Nav/Basic GPS launched 19th December with audio support and Spanish translations!
    3. “HTML5” and Android version of Examstutor.com apps almost finished!
    4. Bubblino & Friends iPhone app went from idea to submission in less than 24 hours, and is live on the App Store!
    5. CamViewer for Foscam Webcams goes live after a short dev time and gets hundreds of downloads and rave reviews on the App Store!
    6. After over a year “in development” Chess Viewer has gone live offering an advanced viewer for chess e-books popular amongst chess fanatics. Further development is planned including in-app purchase of e-books from Everyman Chess.

    And all of this has taken me to the point where I’ve had 50 apps live on the app store! Not all of these are live right now as some of the Revise apps were replaced by Examstutor.com apps but I currently have 18 Examstutor.com, 15 Reviseapps.com, Basic Sat Nav, Bubblino & Friends, CamViewer, Chess Viewer, Credit Cards, iFreeThePostcode = 39 apps live right now and another one should be coming this week. Even discounting the carbon copies that’s still 9 separate code-bases, and again doesn’t include the app I completed for 7digital which Apple are unfortunately barring from the store. I’ve been busy and hopefully will continue to be with both client work and my own projects as this year progresses.

    If you want me to help with a mobile web, or native mobile app, then get in touch by emailing me at john “At” mckerrell “dot” net

  • Social Media in Liverpool Week

    I’ll be posting an update of what I’ve been up to recently soon but I also wanted to write something about what’s happening in the coming week. We’re celebrating “Social Media in Liverpool Week” (we got told off for calling it Social Media Week™(C)®) and also Global Ignite Week with a week of activities in Liverpool. Getting into the spirit of things I’ve agreed to speak at two of them.

    The first event of the week is Ignite Liverpool tomorrow in the LJMU Art & Design Academy. I was quite disappointed not to be able to speak last year (though I must admit I did enjoy my time on a yacht in the Whitsundays ;-)) so I jumped at the chance to speak this year. I’m going to be giving a talk on “Open Source Software Projects I Have Known”. I’m intending it to be a fairly lighthearted overview of various applications and projects that people should really be aware of and using. There’s lots of other talks lined up so if you’re in the area you should definitely come along. There’s not many tickets left so be quick!

    On Wednesday there will be a meeting of the Society of Swandeliers, or the Friends of Swan Pedalo. In Autumn John O’Shea of Re-Dock procured a Swan pedalo that was being sold off cheap by Liverpool Biennial organisation. This meeting is of people who have shown interest in working with the pedalo to try to determine what to do with it. We’ve all got lots of ideas but a 6ft fibreglass swan isn’t so easy to move around so it can be quite difficult to arrange activities for it. I’ll be going along and hopefully we’ll all be able to work something out.

    Thursday is time for another Social Media Cafe Liverpool event, also in the Art & Design Academy. I’ll be giving a talk on the lifecycle of an iPhone app. I’m intending to give an idea of the various stages you go through when building an app and getting it live on the app store. I’ll also have a few surprises during my talk too. There’s also going to be a live skype interview and more besides so head over to the website to sign up for that.

    Finally on Friday there’s going to be the Social Media Social or “Oh, I follow you on Twitter”. More details on that can be found on the Social Media Cafe Liverpool website but essentially it’s a free party in the Leaf bar on Bold St. Entertainment will be provided (but you’ll need to buy your own drinks!) I’m going to a friend’s birthday party first but should be there later on in the evening.

    So a busy week ahead, should be fun!

  • Working with Android addJavascriptInterface

    I’ve been spending a few days this week trying to get my Examstutor.com apps working on Android. I had already decided to do this using HTML and spent the past two weeks creating a “HTML5” version of the app. I was surprised but pleased about how quickly I managed to complete this, partly due to it always being easier doing something the second time. This HTML5 version uses localStorage a lot to store the test modules and various other bits of data. It’s probably not something that I would actually release as currently it stores too much data in localStorage, but I built it in such a way that I can build plug-ins that work on different devices meaning that I only need to recreate the device specific code for storing and retrieving data and the rest of the code that handles the interface should be the same.

    Once I got the HTML5 version done I had to begin on the Android app. The app is very basic with a WebView (a WebKit control) taking up the whole screen. I then load the HTML5 app inside there and leave it do the rest. To provide the device specific code I’ve created a Java class with methods that match the plugin interface. I then add an instance of that class to the WebView using addJavascriptInterface. In theory I thought that would be all I’d need to do to get it working, due to a few idiosyncrasies of addJavascriptInterface that wasn’t the case, as I’ll explain in the following few paragraphs.

    The first issue I found was that the object that is exposed in the JavaScript appears not to act like a normal JavaScript object. The way I had my code arranged there was a global singleton ExamsTutor object and then the plugin would be another singleton called ExamsTutorDevicePlugin. To save having to decide which object’s methods to call, ExamsTutor would copy all the functions from the plugin into itself, as follows:

        
    for( var key in device ) {
      obj[key] = device[key];
    }

    In that example I’ve already assigned ExamsTutorDevicePlugin to device and obj is going to be the ExamsTutor singleton.

    After that code I would expect a call like ExamsTutor.someDeviceSpecificMethod to work. Unfortunately I found it wasn’t and when I added some logging statements it turned out that the code was never going into the loop. In the end I decided to add a JavaScript singleton that would wrap the Android object, a little annoying that I need to do this but as you’ll see it ended up being useful later, here’s a snippet from that class:

    var ExamsTutorDevicePlugin = (function() {
    var a = ExamsTutorAndroidPlugin;
    return {
        log: function(message) { a.log(message); },
        requiresInitialPathway: function() { return a.requiresInitialPathway(); },
        showPathwayDialog: function() { a.showPathwayDialog() },
        currentPage: function(page) { return a.currentPage(page) },
        ...

    The next issue was the types that could be sent to and returned from the android interface. In my plugin interface I had already arranged to send various JavaScript Objects and Arrays in and out of the functions. After some testing I found that addJavascriptInterface only allows basic data types such as boolean, int and String. Fortunately this is simple enough to fix. I’m already using jQuery inside my web app and have the JSON plugin so I can use $.parseJSON and $.toJSON to make sure that I only pass strings to and from the Java. I was worried that this would result in me having to do lots of packing and unpacking on both sides of the interface but actually on the Java side I will generally just be storing the JSON to files so it shouldn’t be much of an issue. Another snippet from my JavaScript singleton with this in place would be:

    defaultPathway: function() { return parseJSON(String(a.defaultPathway())) },
    setDefaultPathway: function(pathway) { a.setDefaultPathway($.toJSON(pathway)) },

    You might notice in that snippet that I’ve used parseJSON rather than $.parseJSON. This was due to the final issue I’m going to describe here. For some reason the string objects returned by the Android interface don’t seem to react to the typeof operator in the way I might expect, and in the way jQuery’s parseJSON method was expecting. The first thing that $.parseJSON does before parsing is some sanity checking to make sure it has a string:

        
    if ( typeof data !== "string" || !data ) {
      return null;
    }

    For some reason, calling typeof on the strings returned by Android was giving "object" and so this check was failing and jQuery was giving up on the parse. Fortunately this was simple enough to handle. I added a local parseJSON method to coerce the json to a string and also to handle the exception that might be fired by jQuery:

        
    function parseJSON(json) {
      var data = null;
      try {
        data = $.parseJSON(json);
      } catch(e) {
        data = null;
      }
      return data;
    }

    With that I managed to get the app to the point where I can select a Revision Pathway and have it download the information for that pathway and download the test modules from the Internet. There’s still plenty more to be done but as you’ll see from the screenshots it’s not looking bad already.

  • 47 Live Apps, Week 122

    Last week I mentioned that we’d got the examstutor.com apps finished and submitted. This week they went live. Apple approved them all on Tuesday evening at which point they moved into the “Processing for App Store” state. Unfortunately it then took about 24 hours for all the apps to get through this stage as 6 of them ended up sitting there for ages. We finally got everything sorted out and put the apps live on Wednesday night. The apps have started selling straight away which is a great relief though not a huge surprise as the old apps were still selling ok. This is the first time in a while that I’ve had a free app on the store that I really care about the sales of so it’s interesting to see how the “Login” versions are doing. Currently they’re “outselling” the paid-for apps by way over 10 times but this isn’t a huge surprise. It’s good to see that people are interested though and hopefully some of those will convert to sales. Examstutor.com is now featuring the apps on the homepage and has a good set of pages describing the apps so it’s no surprise to learn that existing subscribers are already downloading the free apps and logging into them. If you want to see more information then take a look at the iPhone apps section on Examstutor.com

    Getting these 18 apps live actually took me to 47 separate apps live on the app store, which I like to think - even if some of the apps are just different content - is a pretty good number. Because the Examstutor.com apps are intended to replace the old “Revise” apps I have now taken the A-level versions of those down but I’m still at 36 live apps. 17 of my own (3 not available in the UK), 18 examstutor.com apps and one Credit Cards app I did for Moneyextra.com. Many of these may be repeated but if we ignore the repetitions that’s 5 different apps I’ve got live on the store now and 3 others that are completed but waiting to go live for various reasons. Quite happy with my portfolio and hope I get to continue building interesting apps in the new year.

    A quick update on my clock. I ended up deciding to bolt the motor onto the mechanism rather than using glue again. After various problems including broken drill bits I managed to get it secured and turning nicely. Unfortunately when I tried to get it working with the software it stopped working again. I’m now not sure if there’s a problem with my circuit board or somehow there’s a new problem in the software. I’ve had to leave it alone for a while though as I have other things to work on but hopefully I’ll get it going eventually.

    I’ve also been working on a brand new start-up idea that someone came to me with a few months ago. I’ll be doing the bulk of the technical work including a Ruby on Rails back-end and supporting mobile apps. I can’t really go into too much detail about it right now but it’s hopefully going to be an interesting return to the location space for me. Watch this space for more info as things progress on that.

  • Apps and Clocks - Week 121 (& 120 & 119)

    So these weeknotes are rapidly, or rather slowly, becoming “monthnotes”. The past few weeks have seen a few interesting things happen though so I thought I’d get another post up. Last week saw the completion of version 1.0 of the Examstutor iPhone apps. We managed to get the content for all of the 9 subjects we were hoping to support finished and so submitted 18 apps! We’re now just waiting to see what Apple will say, hopefully they’ll go straight through without any rejections but you can never be too sure. We’re submitting two apps per subject. One is quite simply a paid-for app, you pay your money and you get access to hundreds of questions on your subject. The other will be a free app in the store but is intended to be used by schools and colleges (and, in fact, individuals) who have signed up with examstutor.com for use of their online and mobile service. On downloading the free app they will be prompted for a username and password, when they enter this they will get full access to all the content “free”. We’ve included a few tests (generally around 20 questions) for people to use on the free app though so that if they download it by accident they still get to try it out and can then decide to upgrade if they want.

    Last week I also managed to get the final few issues sorted out with my chess app, it’s looking better and hopefully I’ll be able to submit to the store pretty soon.

    I also got most of the work done adding features to the Ruby on Rails site I mentioned in my last blog post. I needed to generate PDF invoices for a selection of addresses and services in the database and managed to get the work done pretty quickly. This was the whole point of converting from the awful PHP to a new codebase but I was still surprised by how quickly I got it done. I mainly need to make some changes to the PDF document to better match what the client wants and then let them try the system out and see what they think. I’ve used Prawn for the PDF generation and have been quite happy with it finding it pretty easy to use.

    Final thing to mention is my location clock that has been quite popular on this blog previously. I originally built it at Howduino Liverpool in May 2009 - around 18 months ago. It has sat around with barely any updates since then and so was still made up of a big messy bundle of wires.

    With the second Liverpool Howduino event coming up I decided I really had to get around to soldering this up, and I wanted to get it done before the event so that I could play with something else on the day (Xbee modules, lasers and a second four handed clock powered by servos were all on my list). Leaving it to the last minute I finally got started on building a circuit board on Thursday and did manage to get it finished off on Friday. Unfortunately I had a few issues with it, various connections connected that shouldn’t have been, and others that should have been were not. I then found that for some reason the software that had been working fine before had stopped working too. Fortunately I finally managed to get it all working on Saturday so now have a fully working circuit board and software.

    So why am I not happy now? When I came into the office this morning I picked up the clock and started looking to see if I could get a chime to fit in the casing and where would be best to fit the arduino and cut holes for the ethernet, USB and power ports. I brushed past the motor and it wobbled, I thought “hmm, that seemed loose…. OMG, THAT’S LOOSE!!” After something like a year of being firmly stuck on by Araldite the stepper motor has now detached itself from the mechanism so my clock is still not working. I’m going to go out at lunchtime and see what glue I can find that might be able to stick a metal motor onto a brass mechanism, or possibly try to think of an alternative!

  • Catchup - Week 118

    Wow, it’s been a while hasn’t it? I’ve been working hard the whole time so just not had time. Thought I should get a quick update out as some interesting things are happening.

    The app I worked on back in July was for 7digital, a leading online media and music store. They’ve been talking about the app recently and announcing their mobile strategy. Unfortunately Apple have not allowed it into the store but we’re hopeful that it will get in eventually.

    The revision apps I’ve been working on in the past few months are changing… I’m now working with ExamsTutor to build a bigger suite of apps selling to schools and individuals. This is great as it saves me a lot of work on the server side (even if it does mean my existing server-side stuff is now redundant) and also means I’ll have an established conduit to schools.

    The chess app I was working on way-back-when is nearing completion and may be out by Christmas!

    I’ve also been working on a project to rebuild a really simple PHP app with Ruby on Rails. The original system was very simple, essentially giving an admin interface to 4 tables, but was so badly written that adding any features was a complete pain. The migration to Rails hasn’t taken too long (though slightly longer than I expected really) and is now complete meaning I can begin adding some new features to the system.

    I’ve started working with someone on a new location start-up, can’t say too much but hoping it’s going to be big and will be a good reintroduction into the geo-world for me.

    We’re also still enjoying the office and have now achieved a full 6 days since the last explosion!

  • Quick notes for Week 113

    Just a quick one so that I’m not missing a week out. Last week I finally started developing the new iPhone revision apps. Development went well and progressed really quickly.

    Printers and Scanners awaiting disassembly

    I also started planning for Howduino which is going to be returning to Liverpool (at long last!) on the 20th and 21st November. Howduino is a hardware hacking event inspired by the Arduino platform but encapsulating many other aspects of hardware hacking and “Internet of Things”.

    I have a few ideas for what I want to work on, I’d like to do a new more capable version of my clock - ideally with more hands that are individually controllable. I’m also hoping to have a look at building a laser projector. Potentially for both ideas I’m going to need stepper motors so I put a request out on Freecycle/Freegle Liverpool requesting “broken printers”. I ended up getting 5 in the end. “Unfortunately” two of them seem to work fine so we’ve adopted them as office printers but the others will be taken apart for parts, I also managed to find an old SCSI scanner of my own to disassemble too as you can see in the photo above!

  • Weeknotes Week 112

    Knidos

    A pretty uneventful week this week. I’ve been away for the previous two weeks so this week was about settling back into work. Fortunately while I was away I had access to email so didn’t have the usual half day spent catching up on email (that was spent in the hotel bar when the midday sun was just that little bit too hot).

    My main focus (again, see the previous week notes) was to get the admin interfaces for the revision app finished. I didn’t quite get them done before I went away but did manage to get them finished off by Tuesday. I also had to port the existing web site from PHP to Ruby. Not a particularly big job as the existing web site only consisted of two pages but I still wanted to make sure I got it right, part of the existing site was the redirects to iTunes which supposedly earn an extra few percent of any sales so they needed to work. Once I’d got these bits done and properly tested I had the big “go live” on Wednesday. As seems to be fairly usual with a rails project I found that when I went to put it live on my server, the server’s version of rails didn’t match my laptop’s. After plenty of faffing though I managed to get the new www.reviseapps.com live and make sure the existing two rails sites (OpenStreetView and my app store positions app) continued to work.

    Thursday and Friday were spent designing the new iPhone app. I managed to get a good way through this and have documented what is going into this Milestone 2. I’ve even got the iPhone app project created and added to git so hopefully I’ll be able to hit the ground running with some coding next week. I’ve actually given myself a deadline for Milestone 2 (which is iPhone app v2) of next Friday. I did this with the previous milestone which ended up taking 3 weeks instead of 3 days too so we’ll see how well that works but I’m hoping things will go a bit faster this time.

    Next week will therefore be mainly spent trying to get this iPhone app built and hopefully sourcing some new equipment for the new office!

  • OAuth Nightmares, Week 109

    Quite a varied week this week, though as the title suggests, it did involve some nightmares, and as the map should suggest it involved a bit of travel.

    Supposedly my main focus was to get the web based admin interfaces for the revision apps sorted out. As I mentioned last week I found I was using the wrong version of a plugin so I tried using the right one and it worked better. As it happened I still wasn’t entirely happy with the interface offered so I’ve kept using my own form fields for some parts and used the defaults elsewhere. By the end of Monday I’d got enough of the admin interfaces done to declare them “finished” and then moved onto the next task. That task is to allow uploading of three large blocks of text and have the code parse the text to work out what the questions should be. This is to allow the teacher I’m working with to use his existing word documents to upload questions without having to make any changes. I got that nearly finished this week but got a bit sidetracked on a few other issues. I’m hoping to have that finished today and get a few other bits done so that I can have the whole first milestone finished this weekend.

    On Tuesday I took a trip down to London. The main reason I was going was to meet the people at 7digital. The iPhone app I was working on earlier this year was for them so we decided that I should go to visit them and finally meet them in person. The meeting was fairly short but went well and we discussed a few of the features they’d like to get into the next version. The first version of the app is actually still in the review process for the app store (as far as I know) but hopefully it’ll get through soon.

    While in London I also met up with the guy that I’ve been working on a chess app with. We discussed some of the features in the current version of the app and highlighted a few hopefully fairly simple steps that we can take to get the app to version 1.0 and ideally get me paid!

    While on the trip to London I also had a play with Twitter’s OAuth support. Twitter have decided that Basic Auth is too insecure and leads to leakage of password and so everyone needs to use OAuth in the future. This is definitely a good idea but meant that I needed to change the way I was accessing Twitter with mapme.at. I found a fork of the main twitter4r library with OAuth support and managed to get it working quite easily in a small standalone script. When it came to incorporating this into mapme.at though I came across some issues. The first, very basic, script I modified worked fine but the next one gave me errors. After trying to find the problem over the course of a few days (while trying to do other work) I finally found the issue. The fireeagle library that I was using was “monkey patching” the OAuth library. Basically all it was doing was wrapping one method call so that it could change a few properties on the object that was returned. Unfortunately the fireeagle changes were based on an old version of the OAuth library and so ended up breaking the main OAuth library. Once I’d fixed that I had a few more issues as I remembered I had in the past made a few changes of my own to the twitter library, both by modifying the library in place and by monkey patching it in my own code. I ended up creating my own branch on github that has fixes in for broken friendship methods, an extra friendship method and a few other small fixes.

  • Busy again? Week 107 & 108

    Room 29

    So I managed to miss last week’s week notes out. I’m not really sure why that was, I think because over the weekend I sometimes feel I don’t want to do “work”, i.e. the weeknotes, but then during weekdays I want to do proper work, not weeknotes. Oh well, here I am now so I might as well get on with it.

    Week 107 was actually pretty good, fairly relaxed but quite productive too. I finally started work on the new version of my GCSE & A-Level revision iPhone apps. I spent the whole of the Monday brainstorming the feature-set that I’m aiming for and then building this into a list of Milestones and breaking down the first few milestones into more detail. Once I’d done that I entered all the information into the Trac setup that I’ve previously mentioned. I quite like how Trac is all set up for handling milestones and versions of apps as it has worked out really well for managing this project.

    Although these are iPhone apps the first thing I needed to do was to create a web app for managing the questions. So far I’ve just been taking the questions from the teacher as a collection of word documents and then in a part-manual, part-automated process turned these into XML files for the iPhone app to read. I wanted to make a web-based system that the teacher could use himself to upload questions so that he can sort everything to do with the questions out, taking up less of my time. Along with properly planning this project out and setting milestones I also decided I really needed to try building this project using “Test Driven Development”, i.e. writing a set of automated tests for functionality and then building out the functionality until the tests pass. This is actually the first time I’ve tried doing this for a whole project and it’s been an interesting ride so far. I’ve found that it’s really slowed me down, partly just from having to learn about the various Ruby modules and Rails plugins and getting myself up to speed with them, but I do think I’m getting better quality code and structure as a result so I’m going to continue doing it.

    The first features I completed were the ability to import the existing XML files into the database and then export “test modules” from the database into the same XML format. This is about making sure we can manage questions from the database in the future and that, if necessary, I can continue to use the existing iPhone code to launch apps. I then started work on the admin interfaces. I’ve done so many admin interfaces over the years, especially back when I was doing PHP. I was hoping the state of things had changed so that it would be nice and easy to set something up to do all the work for me, especially considering rails has scaffolding which I haven’t used before but have read about and is supposed to do this sort of thing. I happened to find out about the Ruby Toolbox that week and that had an Admin Interfaces section which suggested active_scaffold was the most popular plugin to use.

    I started playing with active_scaffold this week with mixed results. It was really simple to get set up but then some of the features didn’t seem to work. I managed to work out eventually that I needed another plugin to support it - recordselect. I got that installed but then it didn’t seem to work right, the ajaxy bits just didn’t do what they were supposed to and I was getting nowhere. I ended up dropping the ajaxy bits but did post a message to the active_scaffold mailing list. I’ve now had a response telling me that I need to use a different fork of the recordselect plugin, the main version only supports Rails 3 whereas I’m still using Rails 2. Hopefully once I do that things will go better.

    I got sidetracked on Thursday this week by having a look at a few bugs in the chess app I’ve been working on. It seems I’d missed out some functionality of the PGN format and it was tripping up when trying to read some more complicated files. I spent all day Thursday and some of Friday on this but finally got it sorted on Saturday morning. I’ve now sent a new version over to the client and I’ll find out what they think when I meet them on Tuesday.

    Other interesting things that happened in the past two weeks… in week 107 I had feedback for mapme.at requesting support for xAuth in the API and XML output. On Saturday morning I had some time so I had a look into it. The XML output turned out to be trivial. The JSON output is quite simple, I construct native datastructures like arrays and hashes and then call .to_json on the resulting object. Turns out if I call .to_xml on the same object I get perfectly reasonable XML out. The xAuth support was a little more tricky. xAuth is a mechanism whereby mobile and desktop apps can take a username and password from a user and then make a call to a server to exchange this for a token that can be used to make requests. This is better because the app then doesn’t need to store the username and password and they’re also not being passed over the network repeatedly. It also means that you don’t have to go through the convoluted OAuth process of app -> web browser -> app. I managed to get both these features out on Saturday morning and the person who had requested them was quite surprised and happy. Hopefully he’ll be using them in a Windows Mobile 6.5 twitter app soon. One other thing I tried to do was to convert mapme.at from using Basic Auth with Twitter to using OAuth instead, Twitter are turning off Basic Auth support at the end of the month and so I really need to switch soon. Unfortunately it looked like the twitter4r library that I use doesn’t yet support OAuth so I decided to postpone the change, I’m really going to have to do something this week, either find an OAuth compatible version of twitter4r or use an alternative library.

    When looking back at my previous post I noticed that a good chunk of it was about how the mapme.at server went down and took ages to come back up. Yesterday I upgraded some packages on the server again and rebooted it, happy in the knowledge that the disk check completed last time and so that should’ve found whatever the problems were. Unfortunately at 12:30 this morning (just before going to bed) I got a tweet, an SMS and an email from pingdom telling me that mapme.at was down. I looked into it and saw that yet again it had mounted the disk as read only. I began a disk check and went back to bed. It’s still running now but hopefully will be done in the next two hours. I’m going to have to get in touch with Hetzner and demand that they give me new drives I think as I can’t have this going down for so long so often.

    Again to finish on some good news, I have an office! You can see it in the photo above, and Adrian McEwen practicing his DJing (or perhaps pretending to sit at a desk). A bunch of us freelancers in Liverpool have been umming and ahhing over getting one for months now. Hakim happened to be walking past an office building on Duke Street with a sign mentioning office space to let. We had a look at a selection of the offices they had available and settled on one with enough room for four of us with plenty of natural light (though hopefully not too much so we can still see our screens). We received the keys on Thursday and most of us moved in properly on Friday. It’ll be interesting to see how this goes for me, I’ve predominantly worked from home for the past 5 years so I’m not sure how I’ll find working in an office again. Right now it’s looking like being a lot of fun and good to see people every day but considering none of us really got much work done on Friday we’re going to have to be more careful in the future. I’m sure as things calm down and we get used to it we’ll be really productive, and hopefully able to make use of each other’s slightly differing talents.

    I’ll be dropping some stuff off in the office today and then heading to How? Why? DIY! to see what it’s all about. If you’re in Liverpool you should come along!

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