1.Google wave combines email, IM, Wiki, social networking services.
2.It is a web-based application
3.It is an open source application
4.IM in google give the ability for the receiver to see the message while it is edited or typed.
5.Very powerful collaborative tool.
6.Participants of the wave has the ability to reply, modify, delete any where inside the wave.
7.Has a playback tool which gives the wavers the ability to see the wave before, during, after the modifications of the wave
8.Has the ability to drag and drop files from the computer to the wave
9.Has many robots for example
Blogy which updates the waver’s blog inside google wave
Rosy which is a robot which translate instantly (when one waver speaks English and another speaks Arabic, Rosy translate the message in real time)
10.Has many gadgets for example
Maps which the give the waver to specify a place inside a wave with dynamic map tool
Yes and No which give the waver the ability to get responds to a yes or no questions
Google Wave has many more. You should try it
Edited by:Fawaz