When Campaigns Manipulate Social Media - Jared Keller - Politics - The Atlantic

Truthy, a research project devoted to tracking the spread of memes online. Named after Stephen Colbert’s from-the-gut “truthiness,” the Truthy team uses an algorithm based on election-specific keywords and mood indicators — a type of sentiment analysis very similar to the one used at the University of Indiana to predict changes in the stock market — to follow political misinformation campaigns on Twitter. The Truthy team, inspired by the Massachusetts election, decided to track digital astroturf campaigns during election years