Wow. If you've ever wondered why government should release it's data for communities to mash-up and turn into useful things, then take a look at this list. An array of many quite fantastic ideas.
Browsing down the ideas already submitted to the Cabinet Office's ShowUsABetterWay.com public-data mash-up competition there are so many ideas which I really want to see turn into realities (amongst the obligatory regular selection off slightly off-the-wall and odd ideas as well of course).
Go take a look – and if you've got an idea for something that you could do if more government data was released into the wild then head on over and submit it a) to call for the data to be released, and b) to stand a chance of winning Â£20k to take your idea to the next level.