Themes Top 10 TEDTalks

These are the 10 talks that have proven most popular during our first two years of publishing TED talks free to the world. Each has been watched more than a million times. For a quick overview, watch the highlights video. Or just dive in to the talks, using the links at right.

Of course, these are simply the most popular -- not necessarily the best. And we're always curious to hear about your own favorite TED talks -- and the hidden gems you've found in the archives.

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