$100 Computer
You've probably read about this, but if not, this is a MAJOR step forward fo undeveloped countries should the team at the Media Lab succeed. It uses a crank to charge the battery if you don't have Juice and their goal is to do an initial run of 1,000,000 computers to be sold directly to the ministries of education of developing countries to distribute to the children. Very, very interesting implications for the global community. Learn more at LapTop.Org