15:39
Blockchain: The Future of Intellectual Property Protection | Kary Oberbrunner | TEDxOshkosh
16:00
Why is knowledge getting so expensive? | Jeffrey Edmunds | TEDxPSU
18:27
Cómo aprender cualquier idioma en seis meses | Chris Lonsdale | TEDxLingnanUniversity
21:16
The art of innovation | Guy Kawasaki | TEDxBerkeley
15:57