Ever since the invention of the written word, there have been moral panics about how new technology corrupts our brains. But now — as the richest companies in the world pour billions into an all-out war for eyeballs — something very different is happening. So we talked to the author of a new book, "The Sirens' Call," about why a satirized nerd on MSNBC is an ideal authority on how Silicon Valley is exploiting the human condition. Plus: the significance of spam, the Cocktail Party Effect, HammerKing75, a court of Infinite Jest, the piglet advantage... and a hot take from Socrates.

Get Chris Hayes' book, "The Sirens' Call": 

https://www.penguinrandomhouse.com/books/719661/the-sirens-call-by-chris-hayes/

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