Somewhere out there there's a super-sized working PS4 controller that Sony created during the development of Knack according to Mark Cerny. Wild guess: the super-sized controller influenced the PS4's new trigger design, based on what Cerny says in the video below.

Gamasutra's got a very technical look at the PS4's specs, courtesy designer Mark Cerny. "The launch lineup for PlayStation 4 — though I unfortunately can’t give the title count — is going to be stronger than any prior PlayStation hardware," Cerny says.