Earlier quoted context omitted.
There might be a market for a USB-C camera to take phone screen photos to immediately upload back into the phone.
Yeah, few moments ago it hit me there could be a market for a phone case with in-built camera(s) that photograph your screen at a shallow angle on demand, and transform that into a screenshot automatically. However, my idea happens to hit a very new limitation: for some reason, "privacy filters" are suddenly a thing. New phones have them built-in as some new magic display function, and for everyone else, there's this…
The only thing I could think of is if you want to browse TikTok or Instagram in public and don't want people seeing the weird shit that's on your algorithm, but even then, that's kinda weird.