Update from Interactivism Hack Day FutureGov has posted an article outlining the lessons they have learned from the hack day, it’s actually really good and definitely worth a read.
On top of this, the ubercoolsuperawesome guys at markthreemedia have finished their video of the event and it is included in the above post. If you are really too lazy to click more than once, the video is below for your viewing pleasure. See anyone you recognise? (me and my blue apple mac make various appearances)