Agile resolves human communication failures. But what happens when the humans are taken out of the loop? I shipped my first product in 1998. Waterfall. 3 months of requirements documents, a month of design specs, and 4 months of engineering – followed by a go-live that revealed, with painful precision, that the stakeholder had wanted something slightly but critically different. We had built the right system for the wrong mental model. That experience wasn’t unique. It was the norm. And it’s exactly why a group of engineers and thinkers gathered in a Utah ski lodge in February 2001 and wrote…