There's definitely room for innovation in the space. A lot of Geo data on the web right now is unclean and there's not a lot of people other than Google and Ya

There's definitely room for innovation in the space. A lot of Geo data on the web right now is unclean and there's not a lot of people other than Google and Yahoo and MapQuest providing API's to it. Also, Twitter recently acquired geoapi which was going in the right direction. So, go for it!