It must have been somewhere in 2004 when I listened to a single podcast every day for more than a week. Each day when commuting to work and back it was the podcast called “Capturing the Upside” by Clayton Christensen. I was so impressed by the amount of insights and knowledge shared in this podcast that I bought his first two books immediately. It was Clayton Christensen who coined the theory of Disruptive innovation. When you read Eric Ries his book on Lean Startup you can recognize this movement leverages the Disruptive Innovation theory: e.g. initial “crappy” products(mvp) enter a small part of the incumbents market and not considered/recognized a threat.