People Counting[1] is a pretty big market and has plenty of solutions already. If small retail stores can afford it, I don't see why it would blow the budget fo

People Counting[1] is a pretty big market and has plenty of solutions already. If small retail stores can afford it, I don't see why it would blow the budget for a museum. [1] https://en.wikipedia.org/wiki/People_counter https://en.wikipedia.org/wiki/People_counter