Results come from Exumo's own index. Data from YouTube; Exumo is not affiliated with YouTube.

1. 17:28

   Bjorn Lomborg: Global priorities bigger than climate change

   TED · Jan 12, 2007 · 316K views

2. 22:47

   Wade Davis: Cultures at the far edge of the world

   TED · Jan 12, 2007 · 403.9K views

3. 19:20

   Richard Baraniuk on open-source learning

   TED · Jan 12, 2007 · 105.1K views

4. 20:04

   Do schools kill creativity? | Sir Ken Robinson | TED

   TED · Jan 7, 2007 · 24.8M views

5. 19:16

   Majora Carter: Greening the ghetto | TED

   TED · Jan 7, 2007 · 216.8K views

6. 3:35

   Dean Ornish: The world's killer diet

   TED · Jan 6, 2007 · 128.1K views

7. 3:47

   Secrets of success in 8 words, 3 minutes | Richard St. John

   TED · Jan 6, 2007 · 3.6M views

8. 4:17

   If I controlled the Internet | Rives

   TED · Dec 25, 2006 · 396.7K views