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

1. 20:42

   Glenn Greenwald: Why privacy matters

   TED · Oct 10, 2014 · 937.5K views

2. 17:04

   Dilip Ratha: The hidden force in global economics: sending money home

   TED · Oct 9, 2014 · 96.9K views

3. 13:29

   Pia Mancini: How to upgrade democracy for the Internet era

   TED · Oct 8, 2014 · 117.1K views

4. 21:05

   Thomas Piketty: New thoughts on capital in the twenty-first century

   TED · Oct 6, 2014 · 477.2K views

5. 9:35

   Daria van den Bercken: Why I take the piano on the road … and in the air

   TED · Oct 3, 2014 · 143.7K views

6. 17:45

   Nancy Kanwisher: A neural portrait of the human mind

   TED · Oct 2, 2014 · 203.9K views

7. 17:13

   Gail Reed: Where to train the world's doctors? Cuba.

   TED · Oct 1, 2014 · 83.3K views

8. 14:02

   The career advice you probably didn't get | Susan Colantuono

   TED · Sep 30, 2014 · 315.2K views

9. 8:26

   Francis de los Reyes: Sanitation is a basic human right

   TED · Sep 29, 2014 · 59.9K views

10. 5:51

    Moshe Safdie: How to reinvent the apartment building

    TED · Sep 26, 2014 · 213.6K views

11. 5:38

    Matthew O'Reilly: "Am I dying?" The honest answer.

    TED · Sep 25, 2014 · 310.6K views

12. 4:17

    Eman Mohammed: The courage to tell a hidden story

    TED · Sep 24, 2014 · 100.3K views

13. 15:56

    Kenneth Cukier: Big data is better data

    TED · Sep 23, 2014 · 559.9K views

14. 16:38

    The state of the climate -- and what we might do about it | Nicholas Stern

    TED · Sep 22, 2014 · 87.5K views

15. 21:40

    Antonio Donato Nobre: The magic of the Amazon: A river that flows invisibly all around us

    TED · Sep 19, 2014 · 137.1K views

16. 9:15

    Avi Reichental: What’s next in 3D printing

    TED · Sep 18, 2014 · 261.3K views

17. 17:04

    Mac Barnett: Why a good book is a secret door

    TED · Sep 17, 2014 · 340.4K views

18. 17:44

    Andrew Connolly: What's the next window into our universe?

    TED · Sep 16, 2014 · 85K views

19. 18:18

    What makes us get sick? Look upstream | Rishi Manchanda

    TED · Sep 15, 2014 · 243.3K views

20. 4:08

    Uldus Bakhtiozina: Wry photos that turn stereotypes upside down

    TED · Sep 12, 2014 · 111K views