Waiting for a market to mature before entering isn't the end of the world. As far as "cornering" a market goes, Wikipedia's example is perfect: "Large compani

Waiting for a market to mature before entering isn't the end of the world. As far as "cornering" a market goes, Wikipedia's example is perfect: "Large companies, such as Wal-Mart or Microsoft, are considered to have cornered their markets." Sure, those companies have a substantial base, but that doesn't mean their isn't plenty of room for competitors who can do very well (Target & Apple). Google has enough resources to enter a market like this and have some instant credibility. We've seen it with Gmail, Google Maps, and many of their other services.