invite poets (and teachers, readers, writers, performers) you know to join,
comment on just about everything, or
just keep an eye on what's happening.
This being a social site the more we all do here the more interesting it becomes for everyone.
There's no membership fee and no middlewoman – there is though just a bit of moderation to keep it clean and on-topic.
So we all know a bit more about your interest in poetry please introduce yourself, what you write, what you read etc with a few words in the editable text box on your profile page (and, if you're in the mood, add an image for your avatar).