TopicAnalytical thinkingProductivityTypeRecommended bookThe Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to youThe Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to you [Fitzpatrick, Rob] on Amazon.com. *FREE* shipping on qualifying offers. The Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to youwww.amazon.com