Learn how your prospective customers behave, the problems they need to solve, and what frustrates and delights them. These insights may shake your assumptions, but they'll help you reach the "ah-ha!" moments that inspire truly great products. Lean how to: validate or invalidate your hypothesis by talking to the right people, learn how to conduct successful customer interviews play-by-play, detect a customer's behaviors, pain points, and constraints, turn interview insights into Minimum Viable Products to validate what customers will use and buy, and adapt customer development strategies.