Just write down your mail.
(5) Wave invites left,
I have 5 Google Wave invites available to give away at the moment for people that haven't received one.
If you'd like one, pm me with your email...
Let me know if you want one.
From the Web 2.0 conference at the Javitts center going on now....
This a simple trick explained well here.
Separate names with a comma.