The most popular 20 TED Talks | Managing Technology and Talent for Learning & Innovation |

As 2013 draws to a close, TED is deeply humbled to have posted 1600+ talks, each representing an idea worth spreading. So which ideas have had the most widespread impact? Below, a look at the 20 most-watched talks as of December 2013.

Via Ilkka Olander, Lynnette Van Dyke