We make millions of online purchases daily, but who (or what) actually puts our items into packages? At TEDxBoston, Mick Mountz weaves a fascinating tale out of a seemingly boring subject: online ordering, its challenges — and the surprisingly high-tech solutions.

We believe that we should work to be happy, but could that be backwards? In this fast-moving and entertaining talk from TEDxBloomington, psychologist Shawn Achor argues that actually happiness inspires productivity.

Elizabeth Gilbert muses on the impossible things we expect from artists and geniuses — and shares the radical idea that, instead of the rare person “being” a genius, all of us “have” a genius. It’s a funny, personal and surprisingly moving talk.

Statistician Nic Marks asks why we measure a nation’s success by its productivity — instead of by the happiness and well-being of its people. He introduces the Happy Planet Index, which tracks national well-being against resource use (because a happy life doesn’t have to cost the earth). Which countries rank highest in the HPI? You might be surprised.