'Get out of the building!'
'Talk with customers'!
…the above insights, and others like them, are great advice from practitioners of the Lean methodology. They hammer into the entrepreneur's brain the importance of talking directly with customers before and during product development.
It's great advice, but there are gaps: How do we go about understanding the customer's struggle? What are we looking for when we observe customers? When we talk with customers, what do we talk a...