Customer development is the practice of gaining customer insights to generate, test, and optimise ideas for products and services through interviews and structured experiments.
The Mom Test - Rob Fitzpatrick
Learnings from the Mom Test - Summary Overview
https://medium.com/@feelinspired/things-i-learnt-the-mom-test-by-rob-fitzpatrick-9d9d58ce8098
What is Customer Development and Why Should Entrepreneurs Practice It? - Michael Fishbein
https://www.huffpost.com/entry/what-is-customer-developm_b_4259917?guccounter=2