Maybe that's the reason a lot of startup action is happening in Brooklyn, where all the cool designer types and hackers are moving to.
The rent is lower and the people are just nicer, in DUMBO where our startup is based there's atleast 5 other startups in a 10 block radius. Which, while not SoMa is still pretty good :)
I live in Brooklyn (Williamsburg) and I know there is a lot of start-up activity around me as well. It's easy to build a web app, but building a beautiful web app requires some incredibly artistic and design-conscious people which I think NYC (and especially Brooklyn) are chock full of.
The rent is lower and the people are just nicer, in DUMBO where our startup is based there's atleast 5 other startups in a 10 block radius. Which, while not SoMa is still pretty good :)