How Did You Develop a Learning App?

Nudge by Richard Theller and Cass Sunstein is the best advertisement you can make for a book okay I think I let you off the hook a little bit with this question. Of course you're going to recommend nudge but hopefully our listeners will enjoy hearing those recommendations. We love to get listener emails the email address is pima p i m a at freekynomics.com Morgan and I both read every email this has been such a typical sendo conversation in 15 minutes he managed to go from fineman diagrams to Marcel Proust to the sunk cost fallacy to not liking soy sauce in the second half.