Is there any data on "harassment" rates at Tech events? Also the article fails to clearly define harassment in the given context. When sexually developed human

Is there any data on "harassment" rates at Tech events? Also the article fails to clearly define harassment in the given context. When sexually developed human beings interact the possibility of flirtatious behavior is destined to happen. It's kind of hard wired into us. If someone hits on someone and they say they're not interested is the adult thing to do. If after that the person becomes aggressive or persistent there is a problem.