Understand that it is meant for collaboration. Also it would be handy to keep in mind that too many cooks spoil the broth. Knowing these two things in my mind are the most effective ways to make use of...

First of all, brilliant Marketing again. Remembering the days when Gmail was launched and was of use to a select few through invites. Ditto is the case with Google Wave; but, the noise is much more. Truly...