We already have a problem keeping secure areas secure, security may just give up if this becomes popular.This is way cool and if it works as advertised (have my doubts about outdoor bright light), really handy for most of what I use a cell phone for.
But it probably means I have to shave the hair off my manly arm....
Bet'cha can't access YOUTUBE or any audio/video. I mean, where would the sound come from?
The video showed him answering his phone thru the wrist band. Also showed him playing a video. It can do that.