Playstation 4 appears on Sony engineer’s CV


PS4_concept4

Linkedin revealed  today some very interesting information . The listing appears on Frederick Umminger’s profile, a software engineering manager at Sony Computer Entertainment America. The managing software Engineering says that the work between 2010 and the present “Maintained voice chat library for PlayStation 4″. Check it out below. Is that enough proof to believe  the PlayStation 4 is exist!