“No problem” is a problem

Ben Horowitz The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers

Douglas Stone Thanks for the Feedback: The Science and Art of Receiving Feedback Well

Rob Fitzpatrick The Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to you

Rob Fitzpatrick The Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to you