PS4 OVERTRACKED WW? Interesting tidbit about PS4 install base marketshare in the US

[Drazgonow]

Seece said:

Drazgonow said:
Is under/over tracked by who vg ndp ?

VGC ...

Also, updated title to get people in here.

Arent vgc NA numbers include Canada and Mexico which makes any direct comparison pointless ?