16:00
Why is knowledge getting so expensive? | Jeffrey Edmunds | TEDxPSU
13:51
Quit social media | Dr. Cal Newport | TEDxTysons
14:58
A rich life with less stuff | The Minimalists | TEDxWhitefish
13:47
Stop Buying Stuff | Niko Stoifberg | TEDxBibliothekZug
12:31