AR won't be worthwhile until: 1) It has a window to the AR larger than a wallet 2) It doesn't hog one of my hands for holding said window into the AR 3) Actu

AR won't be worthwhile until: 1) It has a window to the AR larger than a wallet 2) It doesn't hog one of my hands for holding said window into the AR 3) Actually takes into consideration the the environment it's supposed to augment Decent AR technology will probably be branched from current VR technologies, rather than mobile phones.