13:50
How privacy can save your life | Carissa Véliz | TEDxPorto
14:14
How to respond to societal collapse | Sarah Wilson | TEDxSydney
17:58
Are we heading towards World War III? | Heni Ozi Cukier | TEDxLisboa
20:31
My descent into America's neo-Nazi movement & how I got out | Christian Picciolini | TEDxMileHigh
21:52