http://kotaku.com/sony-president-tro...ium=Socialflow

He tweets "Death Ray Manta coming to PSVita".......

Well played, Sony. The good news is: if Sony executives are joking around about this stuff on Twitter, chances are they don't have anything super-restrictive planned for the PS4. Because if they do, and they're still trolling people... well, those people will riot in the streets.
Yeah, if there is PS4 DRM this will be even douchier than Xbox Team people saying they hope publishers limit used games on their system.