Dr.Henry_Killinger said:
http://www.ubergizmo.com/2014/06/31-of-ps4-owners-came-from-the-xbox-360-and-wii/ |
Additionally to that survey of market researchers Sony should know which share of PSN-accounts are connected to PS3-hardware, to PS4-hardware or both.
Perhaps they announce some stats from their own data at GamesCom or TGS.









