>what if I pointed the camera at someone else? That would be filtered out
I'm no expert at this but that sounds a lot harder to implement than you're implying, especially if it's all locally stored and not checked over by a 3rd party. What's to stop me from just doing it anyway?
I'm no expert at this but that sounds a lot harder to implement than you're implying, especially if it's all locally stored and not checked over by a 3rd party. What's to stop me from just doing it anyway?