In light of the recent elections in Iran, this TED Talk from Clay Shirky is quite appropriate to watch. In the talk he examines how text messaging and social networks empower citizens to report the news without state-run media censorship. The video is embedded below.

If you’re looking for resources for teaching about the Iran election, Larry Ferlazzo has created two good lists.

Applications for Education
This TED Talk could be good for getting students to think about the positive things that they can accomplish using the technologies that they often think of as just fun tools.

Here are some related resources that may be of interest to you:
TED Talks in 40 Languages
Teaching With TED Talks
John Wooden on Winning vs. Success