Four Years After Launch, PS4 Is Selling Out Again

[AngryLittleAlchemist]

JWeinCom said:
When I worked at Best Buy (I quit about six months after the PS3 launch) we sold out of XBox 360s quite a few times during the Kinect launch, the Vita almost all of the time

Huh? How was the Kinect out 6 months after PS3 launch?