The most vulnerable are the ones who don't have friends or a support system nearby. Their only options are to put up with being constantly harassed, or cut themselves off from their community entirely.
https://amazon.com/The-Internet-Garbage-Sarah-Jeong-ebook/dp...
http://www.amazon.com/Internet-Garbage-Sarah-Jeong-ebook/dp/...
https://play.google.com/store/books/details/Sarah_Jeong_The_... (DRM-free)