Facebook isn't just collecting information on you to attract advertisers. It's also performed social experiments on users by messing with News Feeds to manipulate people's emotions.
When that story originally broke in June, many Facebook users were outraged and offended by the social network's dishonest actions. But, two law professors in Maryland are taking it a step further and accusing Facebook of breaking the law.
The professors are also accusing OkCupid of similarly shady tactics. The dating site was a lot more open about its experiments. The CEO even posted a blog called "We Experiment on Human Beings!"
University of Maryland law professors James Grimmelmann and Leslie Meltzer Henry sent a letter to the state's Attorney General and hope he'll stop further experiments by Facebook and OkCupid unless they agree to do so legally.
Facebook is claiming it did nothing wrong, and didn't violate any federal or state laws with its experiment. But, the professors state otherwise. OkCupid hasn't commented on the accusations.