This site is an excellent tool to help manage your groups during the challenge. It is free and fully equipped. http://www.wiggio.com It is an excellent collaboration tool.
btw: you'll need the FreeMind software to open it (just po "FreeMind" into Google, and hit download :D) and be careful: never-ever think about the "Open All" button.. it crashed my PC..)
- Thomas Chisler
from twhirl
You can also use bubbl.us for online mind mapping
- Peter Johnson