Google Wave?

[Jon 'maddog' Hall]

>> It sounds to me like that would enable Wave to be used as a
>> collaborative whiteboard, which makes perfect sense to me.

>e.g. mind mapping: http://en.wikipedia.org/wiki/Mind_map

There was (and I assume is) an active discussion group around merging
mind-mapping with Wave functionality, usually through gadgets:

http://groups.google.com/group/tokyo-gtug/browse_thread/thread/ce672a66a6620357?pli=1

http://www.youtube.com/watch?v=q1lIkD4k1IE

http://www.youtube.com/watch?v=qQh_tyJafSE

md