TED: Ideas worth spreading

The annual TED conference -- TED stands for Technology, Entertainment, Design -- is happening this week. TED aims to bring "together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes)." And TED usually succeeds in that mission.

Here is a thought-provoking talk author Malcolm Gladwell gave at TED2004 on spaghetti sauce, of all things. Check it out.