One of the interesting new additions to the DualShock controller for PS4 is the light bar. Coupled with a new PlayStation Eye camera, the light bar will enable some PlayStation Move-esque functionality. (It will make co-op games smarter, as well.) However, there are other applications for the light bar, as evidenced by Killzone: Shadow Fall.

Read more: 'Doesn't require the camera to function' »

The PlayStation 4 announcement didn't show any of the console itself, but did show the redesigned controller. The DualShock 4 bears a lot in common with its predecessors, with a few tweaks like the touch pad and dedicated Share button. And while Sony isn't quite ready to call it the final design, it's close.

Read more: Some 'small tweaks' for controller, console not finalized »