So I just remembered that I actually have some personal experience with this issue. My girlfriend is getting her PhD in computer vision, and one of her labmates was working on summarization algorithms (imagine a program that could take 6 hours of continuous footage, and spit out a 1-minute highlight reel). She volunteered to wear a camera for a day to gather data for him, and she asked me permission to do so while we…
PRISM is (arguably) legal, and there are plenty of people that support it, yet I am completely against the program. This is probably just a me thing, but in case it isn't, just be aware that because you think being recorded in public is okay that everyone else is.