Google Wave is now available for Google account owners on your domain (Google Apps)
Hooray, comrades, hooray! Now you can use not only GTalk between a corporate (both paid and free) Google account among themselves, but a full-fledged Google Wave!
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What is Google Wave?
To use Google Wave, you need to add it to the Google Apps control panel:
Also, those who subscribed to Google Wave availability notices should have received a letter (this is how I learned about this joyful news).
Full details on Google can be read here . You can read a topic from a Google blog here .
UPD: Also, do not forget to add a CNAME record (wave CNAME ghs.google.com.) For your domain after adding Wave to your Google Apps control panel.