Is it a billion dollar business? Just because Google, reportedly, bought them for a a billion dollars doesn't mean the market is worth that much. Many people in

Is it a billion dollar business? Just because Google, reportedly, bought them for a a billion dollars doesn't mean the market is worth that much. Many people in the industry I've talked to seem to think there is a relatively long road ahead (i.e. years) toward some semblance of maturity. If anything, this is a large bet on the future. One that could easily go awry.