A great new gadget called Napkin allows users to collaboratively draw or plot or mind map on a wave. it’s easy and simple to use and works well.

Video:

Highlights:

• Share thoughts easily among friends.
• Brainstrom ideas and develop story boards.
• Possibly develop it further to compete Facebook application called Guess the sketch.

Install:

To install add http://my-wave-gadgets.appspot.com/wave/NapkinGadget.xml to your Google wave