
A Hot Second with Dennis Crowley + Girls In Tech Interivew with Liz of AllThingsD
You think you know how to build a product, but Dennis Crowley's talk reveals why hyper-focus beats feature creep—Foursquare hit 8.5MM users by resisting the urge to be everything, even when competing with Facebook. His entrepreneur tips might save you from the classic mistake of diluting your core idea.

