Google wave has entered the preview phase!! Testers are now able to give away 20 invitations!!
This is a copy of the email i got on this regard
Thank you for signing up to give us early feedback on Google Wave. We’re happy to give you access to Google Wave and are enlisting your help to improve the product.
To accept your invitation, sign into Google Wave at the following link*:
(If you do not have a Google account, you will be prompted to create one)
Once you’ve signed in:
Check out the videos and example waves
Invite others to join you
The Google Wave Team
For help, please visit http://www.google.com/support/wave
* This link will only work for one invitation to Google Wave, it cannot be shared!
I will be giving like 5 invitation to my top geeky friends, so I still have 15 invitation to give away. If you want one, just ask for it nicely in the comments section below, i will be picking 15 random people to give the invitations too.