http://one.npr.org/?sharedMediaId=523772071:524301415
![](https://media.npr.org/assets/img/2017/04/14/gail-dougherty-edit-304fee324c6af3c8e849fde890995211c7c8809a.jpg?s=6)
Interesting story on how Instagram was built.
I love the study 30 minutes into the episode (Ignorance for Dummies) about the less someone knows the less they know how little they know about it. “The Dunning-Kruger effect”
http://www.thisamericanlife.org/radio-archives/episode/585/in-defense-of-ignorance