Of course sight is more serious than smartphone; my point is that if you rely on a for-profit company, then you should take that consideration (familiar from sm

Of course sight is more serious than smartphone; my point is that if you rely on a for-profit company, then you should take that consideration (familiar from smartphones) more seriously for your sight. Occurs to me there was actually a Black Mirror episode on basically this in the latest season - not sight exactly, but a neurological implant of some kind. (Jacking subscription fees, removing features, etc., with real-world consequence.)