Article: This is your brain on Facebook
Did you know that when someone “likes” your Facebook status — or, even better, actually comments on it — that warm fuzzy feeling you get is akin to the feeling you get from good food or good sex? Of course you knew that! Why else do you waste so many hours on social networking sites, over-sharing the minutiae of your life, and willingly sharing so much private data with massive technology companies who can then tailor advertising to you?!