But as some people have recently learned in very real and damaging ways, online anonymity is not a guarantee.
Just ask Violentacrez, the Reddit moderator who posted and hosted risqué pictures of women taken without their consent, and whose name was exposed as Michael Brutsch.
If anything, the Internet has made the world a less anonymous place. There are more details about more people available from more places than there have ever been. And we all throw it up there willingly.