General election 2010: the 10 key datasets to help you decide – guardian.co.uk
"With the general election 2010 campaign well and truly underway, it's easy for the key facts to get lost in a barrage of propaganda, counter-accusations and obsfucation, as Labour, the Conservatives and Liberal Democrats battle for the key marginals.
To help you through the next few weeks of campaign, we've compiled some of the best datasets. Every day, we'll be adding more and more to the site – so let us know if there's anything else you need to know.
What can you do with the data?"