They clarified the used games issue.... Sorta..
http://www.joystiq.com/2013/06/06/how-game-licensing-works-on-the-xbox-one/
And they explained the "always on" thing. Not always on, but a number of consumers will be locked out if they don't hook up online...
http://www.joystiq.com/2013/06/06/xbox-one-requires-online-connection-every-24-hours-at-least/
http://www.joystiq.com/2013/06/06/how-game-licensing-works-on-the-xbox-one/
And they explained the "always on" thing. Not always on, but a number of consumers will be locked out if they don't hook up online...
http://www.joystiq.com/2013/06/06/xbox-one-requires-online-connection-every-24-hours-at-least/