Surprise! Facebook’s gotten in hot water for doing something creepy. Over the weekend it was revealed that Facebook secretly conducted a massive psychological experiment on some 600,000 of its users by trying to see if it could manipulate their mood by showing them mostly either happy posts or sad posts on their feeds. The point of the experiment was to see whether being subjected to either happy news or sad news from friends would make Facebook users more likely to write happy posts or sad posts of their own, and sure enough, if you saw nothing but happy posts you were more likely to write something happy and vice versa. It goes without saying that this has been a tad