"Nobody has the data we have." is somewhat hyperbole. Gmail has more info about me than Facebook will anytime soon. I am confident that Facebook will build a great business. However, this article read like something cooked up by PR firm wanting to paint Facebook vs Google as the next Apple vs. IBM. It's a half baked analogy at best.
I agree. Facebook's data on me is not of a particularly good quality. Most of my "friends" are former colleagues or school friends. I wouldn't trust any of them to recommend a restarunt any more then I would trust 300 anonymous reviews on an independant restarunt listings site.