(adsbygoogle = window.adsbygoogle || []).push({}); when you go to black ops 2 online mode and are connecting a split screen player if they click sign in using psn account and they have there account on your ps3 they can also sign in allowing you both to earn xp and unlocks

So a little bit better explanation of what's going on in this thread here...


When you're playing Black Ops 2 on your PS3, and you're connecting to a game, or just sitting in the lobby, if you get a second controller, sign in to another PSN account, that PSN account and your PSN account will earn unlocks and progress through the levels in Black Ops 2.