Originally Posted by Artashes

That's too kind of you, Joe. I received the email, but when you click "Join Google+", it still makes it unavailable for actual sign up yet.

The message in the footer of an email says: "The Google+ project is currently working out all the kinks with a small group of testers. If you're not able to access Google+, please check back again soon."

I guess the rest of us will just have to wait until they open doors to more private/public sign-ups. I believe, however, that those who were sent these emails will hold at least some priority versus those that have no one to connect to at this time.