On Election Day, political campaigns, candidates, consultants, and pollsters pay close attention to who votes and why—and so does Facebook. For the past six years, on every national Election Day, the social-networking behemoth has pushed out a tool—a high-profile button that proclaims “I’m Voting” or “I’m a Voter”—designed to encourage Facebook users to vote. Now, … Continue reading Facebook Wants You to Vote on Tuesday. Here’s How It Messed With Your Feed in 2012.