Seems interesting especially for the gaming industry, but it seems like it'd be exceptionally difficult to handle the edgecases in the real world; for instance

Seems interesting especially for the gaming industry, but it seems like it'd be exceptionally difficult to handle the edgecases in the real world; for instance multiple pairs of eyeballs staring at the screen. This, alongside various privacy concerns of eyeball tracking, will likely nip this technology in the bud.