Sony Is Finally Allowing Cross-Play On The PS4 [Update]
by Luke Plunkett on Kotaku, shared by Virginia K. Smi from Lifehacker on (#3ZJYP)

Having resisted for so long, Sony is finally giving in and allowing cross-play on the PS4 "for select third party content", meaning PlayStation 4 owners will soon get to play the same game against people on competing consoles.