SAN FRANCISCO: Media intelligence company Meltwater Group has rolled out a platform to analyze and track social media conversations about the 2012 presidential election.

The service, “Meltwater Election Buzz,” will pull data from sources across the social Web, including Facebook, Twitter, blogs, message boards, and online video, to create word clouds of popular election topics and themes.

“We are going to feature a daily analysis that will be updated on the site of all the major ...