Good idea. It will save humanity from evolving into creatures whose chins have melded into their upper chests, killing the necklass accessory business.
Also good for etiquette in face to face human interaction it hides the fact that you are secondary to a YO or a YELP update.
Great too for more humorous and serious CAUGHT ON VIDEO stories. Though they do need to be better disguised as prescription glasses or sunglasses to be both more effective and generate less intolerance to them.
And maybe soon they will come with a bee sized camera drone that can watch everyone take a dump.
What with global warming and a world filled with religious wars I consider myself very VERY lucky to have come of age in the Sixties when everything was not only new and fun, but important as well. When the new band was Jimmy Hendrix instead of RapYourBootyAroundThisChoreograhedDanceNumberCrap.