Have you ever tried Ted Talks, a non-profit global community encouraging people

Have you ever tried Ted Talks, a non-profit global community encouraging people from all disciplines and cultures to use ideas to change the world. The goal driving this Ted Community is “How can we best spread great ideas?”
TED.com provides a clearinghouse of free knowledge for you to choose from. Enter a technology topic in the Search field at TED.com and watch. Then, summarize