http://www.roadtovr.com/facebook-ceo-zuckerberg-to-testify-in-oculus-vs-zenimax-lawsuit/ http://www.roadtovr.com/facebook-ceo-zuckerberg-to-testify-i... Carmac

http://www.roadtovr.com/facebook-ceo-zuckerberg-to-testify-in-oculus-vs-zenimax-lawsuit/ http://www.roadtovr.com/facebook-ceo-zuckerberg-to-testify-i... Carmack worked on the Rift while an employee of ZeniMax. A ZeniMax, Facebook, Rift share split then blew up, leaving ZeniMax with nothing, despite the fact that Carmack and ZeniMax were instrumental in the development of the Rift. Carmack then left ZeniMax for Facebook.