Facebook Whistleblower, Yael Eisenstadt, Tells Her Story

TED Radio Hour: We expect everything to be first, fast, free and frictionless. But are we sure that's the best idea when it also comes to political rhetoric? Facebook whistleblower Yael Eisenstadt tells her story about how she built bridges with communities in Kenya after 9-11. And a tribologist talks about adding more friction to our online experience.