Justin and Jason discuss the TechZing Summit, the last session of Catalyst, Uber’s new office and Jason’s thoughts on Uber’s rapid growth, Justin’s “no DB” project, how options work at most venture-funded startups, getting compensated in convertible debt, Jason’s experience with AirPair and why you should never do a fixed-bid project, shutting down AnyFu and some lessons learned about premature scaling, the latest on Empath and Disco, Vagrant, RabbitMQ and Composer, Justin’s DIY Soylent experiment and the problem with Soylent’s distribution strategy, Jason’s recap of a year spent coaching the 4th-grade math team, the book Make It Stick: The Science of Successful Learning, Justin’s idea for an ancestor constitution, how Occam’s razor is a statistical syllogism and thus a logical fallacy, why people who write their names with initials seem smarter, Jason’s frustration with how mathematicians dismiss any mathematics that isn’t about proving theorems, and Izzy’s struggle with self-confidence.