Exclusive Meltwater Buzz analysis reveals which Republican contenders are winning the social media battle.

The infographic below ilustrates the results, with Ron Paul dominating as the most talked-about candidate online, as his polling numbers surge ahead of the next contest in South Carolina. Newt Gingrich received the least amount of buzz, and his sentiment also dropped as the campaign shifted from Iowa to New Hampshire and beyond.

Frontrunner Mitt Romney saw the highest percentage of positivity compared to the other candidates. And while Jon Huntsman generated a consistently high sentiment tone on conversations, that was not enough to stop him exiting the race.