According to the LA Times, Facebook released a breakdown showing the collective happiness of the site's millions of active U.S. users.

There's got to some methodology problems with this study. I'm not sure how sincere people are on Facebook. There's got to be a lot of pressure to say that Michael Jackson's death is tragic and that Christmas makes them happy. Most people wouldn't admit that seeing their family at Christmas makes them want to mainline the egg nog. Well, maybe I would.