 It was created by Jonathan Rentzsch after the demise of MacHack.In May 2010 Rentzsch announced that he would no longer operate the conference due to a dissatisfaction with Apple's policies toward iPhone OS development and the lack of a strong negative reaction from the Apple developer community.The name C4 stands for Code Culture Conspiracy Conference

The first C4 conference was a two-day event held at the University Center in downtown Chicago.