I don't think this is anything new at all in itself. Chats, anonymous comments, forums, public walls, etc just allow these weirdos to express themselves out of

I don't think this is anything new at all in itself. Chats, anonymous comments, forums, public walls, etc just allow these weirdos to express themselves out of that place of theirs that is unattached to reality. Already in the 90's there were a few handfuls of pesterers of the similar kind on IRC. There would've been more but IRC was such a nerdy tool underground that only a few of them ever found themselves there. But the phenomenon has there for a long time: it's just that before internet there were few places where you could do this in public. I think most of the similar chatter must have happened between male friends of young age, hanging out and exchanging comments on hot-looking passer-bys and maybe wooing after some or alternatively yelling bitchy remarks. Even this wouldn't be tolerated in better parts of the town. But on the internet, all you need is a text input box.