Sony head of Worldwide Studios Shuhei Yoshida is a gregarious, smart, talkative interviewee. And that's exactly why it was so weird that he fully waffled when we asked him to address whether or not the newly unveiled PlayStation 4 will play used games. "That's my expectation, that PS4 games will work on [the] hardware. That's my expectation," he told us in an interview this morning. When we pushed to clarify what he meant, Yoshida stuttered. "Ummm yeah. We have to really name our system services to explain more about
