UK:How 2010 WAS the social media general election, Press Gazette (2010)
A study by the Reuters Institute for the Study of Journalism suggested that most 18-24 year-olds received their political information online and that an online campaign by the Electoral Commission to increase voter registration was effective.
The link address is: http://www.pressgazette.co.uk/story.asp?sectioncode=1&storycode=45687&c=1