Online anonymity can be traced to Usenet newsgroups in the late 1990s where the notion of using invalid emails for posting to newsgroups was introduced. Users of 4chan, in particular, interact in an anonymous and ephemeral environment that facilitates rapid generation of new trends. Others like Juic圜ampus, AutoAdmit, 2channel, and other Futaba-based imageboards (such as 4chan) thrive on anonymity. Some online forums such as Slashdot do not allow such posts, requiring users to be registered either under their real name or utilizing a pseudonym. Entry on a bulletin board system, Internet forum, or other discussion forums, without a screen nameĪn anonymous post, is an entry on a textboard, anonymous bulletin board system, or other discussion forums like Internet forum, without a screen name or more commonly by using a non-identifiable pseudonym.