For me, it was that the Internet never forgets and that you should never enter your real name. In my opinion, both of these rules are now completely ignored.
19 points
Just assume almost everybody is an asshole online and you canโt be wrong. Because anonymity has granted them that capability.
20 points
The fact that people being assholes with their real names on Facebook tells me, anonymity has nothing to do with it.
4 points