David Heinemeier Hansson (DHH) joins the podcast. For many people, DHH needs no introduction…but just in case, here is a little background on how David keeps himself busy (apart from fatherhood):-Invented Ruby on Rails (which powers Twitter, Groupon, AirBnB, and Basecamp among others).-Founder and CTO at Basecamp-LeMans driver-Best selling authorAs expected, David brings his energy and passion to the conversation about parenting—a talk which is both opinionated and thought provoking. He shares many of his views, from the “screen time” of his 4-year-old, to which practices promote intrinsic motivation, and why classic reward cycles are completely bogus.