It seems as if the ol' super official privacy notice is making its rounds on Facebook again. For your edification, in case you were planning on posting it yourself, it does nothing. It may seem like it's legit because it's written in semi-legalese, but it's basically a glorified "keep off the grass" sign.
Facebook recently hit one billion users. Yup, that's right: 1/7th of the entire world's population is ridin' the Zuck Truck. Aside from riding a figurative automobile with a cheesy name that I just made up, here are some other things that those billion people have in common.