37 minutes of multiplayer
Rainbow Six: Siege has some single-player component, but the E3 reveal was multiplayer-focused, and that's probably going to be the best bit of it.
Unfortunately, the carefully manicured, staged banter of the E3 showing demonstrates what Ubisoft is trying to do with Siege, but not necessarily what it has done. This 37 minutes of multiplayer gives me a bit more faith that Ubisoft is bringing a different, welcomed multiplayer experience. Love me some no respawn, intimate battles.