By | August 13 2012 11:28 AM

Dalton Caldwell, the digital entrepreneur who sometimes enjoys writing angry open letters to Mark Zuckerberg, believes people would prefer a paid version of Twitter where they're not constantly sold to by advertisers, but one where developers and the users are the center of the social experience. Caldwell, an entrepreneur with a background in Web and app development, said he was "inspired to build exactly the service I wanted manifested myself," which he calls App.Net.