Tools for the future

Another really great video from TED of tools (like cell phones and Web 2.0) that are available now. Since it was filmed in 2006, it makes no mention of some of today's more pressing issues... but the concepts and ideas are still valid. An interesting watch, listed below are some of the sites mentioned in the video...

http://worldchanging.com/
http://www.plos.org/
http://witness.org/