First in a five-part series. When you spend a week interviewing people about a social media bubble and whether it exists, one of the things you notice is that people who insist there is no bubble make little mention of revenue and business models.
The problem? It's not really a billion dollars to anyone who bothers to look up Facebook's sleeve. And the move is classic bubble blowing. (Is that the same thing as blowing hot air up your... ;) )