http://www.pcgamer.com/amd-engineers-built-ryzen-threadripper-in-their-spare-time/ >Perhaps somewhere in a parallel universe, AMD does not have a Ryzen Threadripper line, leaving Intel all by itself in the high end desktop (HEDT) market. And that could have been the case in the universe we live in, had it not been for a group of AMD engineers who worked on what would become Threadripper in their spare time. >The story behind Threadripper is a rather unique and interesting one, as uncovered by Forbes in a series of interviews with AMD employees involved with Ryzen.