Sony opened its Gamescom 2013 press conference with a subdued presentation of the PlayStation 4's interface by Sony Worldwide Studios head Shuhei Yoshida. The exec explored the menus, watched and then joined a game stream, showed off some social functionality and concluded with a tweet to start the show.
Hang on, we're not sure we can use the word "subdued" to describe a video with several minutes of Killzone: Shadow Fall gunplay, so let's say "confident."
Sony PlayStation 3 (late 2012)
Sony PlayStation 4