Sharing in-game screenshots? That's last-generation stuff, Sony wants to give gamers the ability to share their entire game with friends. Taking the stage at the company's PlayStation event, Mark Cerny described how PSN users would be able to share their gameplay stream with friends, allowing their peers to remotely take control of their game to help them get through a tough spot. Sound familiar? It's Gaikai's streaming technology, in action. Gaikai founder Dave Perry explained that the technology is baked in to the PS4 architecture, and will give players new avenues of sharing their experiences by piping out video to Facebook and Ustream. The cloud gaming