During the predetermined day, someone will ogle your every move "following, observing, appreciating each moment, without interfering." At the end of the day, the app will let you know when you're no longer being watched by sending a photo taken during the ordeal. In fact, that's the only contact you have with the person who's keeping an eye on you. Thankfully Unfortunately, Follower is only available in New York City.

Follower is the work of artist and NYU faculty member Lauren McCarthy, who is the only person doing any following right now. The "service" is actually a performance project to observe response to attention and surveillance, but anyone can apply to be either followed or to be a follower. "There is something strangely intimate about the whole thing for me," McCarthy explains. "By the end of the day, I feel as though I know them, and we have had a prolonged experience together."