“Incredibly dysfunctional” is not an option you can list as your relationship status on Facebook, but that seems to be the way to describe the site’s relationship with its users. It’s like an ex-boyfriend or girlfriend you hate so much but just keep going back to again and again and again, possibly because you can’t find anyone better. Never has the site been more popular. It just reached half a billion users — just six months after reaching the 400 million mark. Facebook was quick to trumpet those numbers.
