Internet Relay Chat (IRC) is a form of instant, group communication. PerlNet contributors and editors can often be found at irc.freenode.net #PerlNet. You're encouraged and welcome to join the channel. Recent changes are broadcasted to the channel, so the IRC channel is a great way to keep up-to-date with the activity on PerlNet right now.
Some suggested (and free) programs for IRC:
Several internet messaging (IM) programs also integrate support for IRC:
For a more complete list, see Wikipedia:List of IRC clients