If you don't get the idea of NYC being a startup hub, take a look at this post: http://ventureminded.me/post/5891689041/why-nyc-will-win-out-over-the-valley htt

If you don't get the idea of NYC being a startup hub, take a look at this post: http://ventureminded.me/post/5891689041/why-nyc-will-win-out-over-the-valley http://ventureminded.me/post/5891689041/why-nyc-will-win-out... Also, even though Foursquare opened up a SF office, the key point is that it is BASED in NYC. The app still says "made in NYC." Dens is an East Coast guy, and that's what matters. If Zuck started Facebook now, he just as easily could have stayed in Boston or come to NYC (he's from just outside the city). However, in 2004, he had no choice but to go to the Valley.