Two years later, Facebook took a step further. For three months leading up to the election between President Obama and Mitt Romney, a researcher at the company, Solomon Messing, altered the news feed algorithm for about two million people, all of them politically engaged. These people got a higher proportion of hard news, as opposed to the usual cat videos, graduation announcements, or photos from Disney World. If their friends shared a news story, it showed up high on their feed.
