So, pricing it around 1/10th the price for 1/17th the users is execessive, but it should be worth at least a billion, right?
You know what screams "bubble" to me? Everyone defending valuations by comparing the company du jour to Facebook.
It's like arguing that Webvan wasn't overvalued because Amazon.com has been successful. Unless a seriously meaningful connection between Facebook and Pinterest is drawn, the comparison is meaningless.