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

1. 17:39

   Nick Bostrom: Humanity's biggest problems aren't what you think they are

   TED · May 16, 2007 · 113.7K views

2. 19:11

   Jeff Bezos: The electricity metaphor

   TED · May 16, 2007 · 1.5M views

3. 16:51

   Golan Levin: The truly soft side of software

   TED · May 15, 2007 · 16.5K views

4. 18:15

   The story of life in photographs | Frans Lanting

   TED · May 14, 2007 · 66.2K views

5. 7:11

   Eddi Reader & Thomas Dolby: "What You Do With What You've Got"

   TED · May 14, 2007 · 53.3K views

6. 18:43

   Craig Venter: A voyage of DNA, genes and the sea

   TED · May 2, 2007 · 55.9K views

7. 7:08

   Natalie MacMaster & Thomas Dolby: Fiddling in reel time

   TED · May 2, 2007 · 77.2K views

8. 9:36

   Caroline Lavelle: A cello performance that casts a spell

   TED · May 1, 2007 · 66.4K views

9. 18:15

   Alex Steffen: The route to a sustainable future

   TED · May 1, 2007 · 46.9K views

10. 16:31

    Powerful visual illusions | Al Seckel

    TED · Apr 30, 2007 · 110.3K views

11. 16:16

    Chris Anderson (Wired): Technology's Long Tail

    TED · Apr 30, 2007 · 47.4K views

12. 18:05

    Neil Gershenfeld: The beckoning promise of personal fabrication

    TED · Mar 23, 2007 · 83.4K views

13. 15:16

    Saul Griffith: Hardware solutions to everyday problems

    TED · Mar 23, 2007 · 25.7K views

14. 7:06

    "A Talk with Erin"

    Joe Scott · Feb 19, 2007 · 2.7K views

15. 16:58

    Averting the climate crisis | Al Gore

    TED · Jan 16, 2007 · 290.9K views

16. 17:18

    Letting go of God | Julia Sweeney

    TED · Jan 16, 2007 · 940.5K views

17. 18:24

    Nicholas Negroponte: The vision behind One Laptop Per Child

    TED · Jan 16, 2007 · 34.5K views

18. 10:12

    Unveiling the genius of multi-touch interface design | Jeff Han

    TED · Jan 16, 2007 · 477.5K views

19. 15:46

    Amy Smith: Simple designs that could save millions of childrens' lives

    TED · Jan 16, 2007 · 44.9K views

20. 17:32

    Mena Trott: How blogs are building a friendlier world

    TED · Jan 16, 2007 · 15.7K views