Facebook is the ultimate journalist tool: it's the easiest way to track sources from a particular demographic. It's also the easiest way to find incriminating photos of someone online. So knowing the rules of the game, the BBC has set limits on the Facebook profiles of their staff, at once defending their online privacy while invading it. The BBC is doing it to protect their brand. It's true: all their hard work would be lost if one of their reporters was ever caught doing a brandy snifter pyramid, or whatever the British equivalent of a keg stand is. [Guardian]