" a jobs-to-be-done lens can help innovators come to market with an initial product that is much closer to what customers ultimately will discover that they value. The way to get as close as possible to this target is to develop hypotheses by carefully observing what people seem to be trying to achieve for themselves, and then to ask them about it.9 "

― Clayton M. Christensen , The Innovator's Solution: Creating and Sustaining Successful Growth