The mighty Metis machine that could save Cameron's bacon in 2015

What does David Cameron need to do to win the next general election? Following on from Eastleigh, several of the suggestions in today’s papers involve a significant personnel or policy shift, something Cameron is likely to ignore. Buried in the Sunday Times, an alternative is revealed (£) with the Metis project. Headed up by four of Westminster’s sharpest minds, Metis is destined to become the largest and most sophisticated voter database ever built in the UK. The power of a 20 million strong list of voters has the potential to revolutionise campaigning:

‘It will enable political parties to run highly targeted campaigns, focusing on individual voters whose support is vital to win key seats. More importantly, it will spare householders the sort of unwelcome attention that was lavished on them by over-enthusiastic (or desperate) campaigners in Eastleigh’