Watch out, Silicon Valley. Thanks to Google, Foursquare, and others, the Big Apple is fast becoming home to some top Internet talent.

New York’s tech cred is on the rise: Manhattan-based Foursquare’s geolocation service is the envy of Silicon Valley. Facebook bought out two New York startups, and Google just purchased the huge Chelsea building where it employs nearly a tenth of its global workforce. Now incubators are sprouting downtown, venture capital firms are opening New York offices, and prominent angel investors are spending more time with the scores of developers who crowd into shared workspaces across the city. “New