Why Won't VCs Tell You Why They Turned You Down?

Why Won't VCs Tell You Why They Turned You Down?: "Foursquare releases its API in the race to dominate location. Foursquare, the suddenly white hot location-based social network, released its API to the public yesterday. And Mashable is predictably bullish about the results, making the argument that just as Twitter's meteoric rise depended on developer interest around its API to build things like