In the Jobs to Be Done space, I assume from my research that Anthony Ulwick, author of What Customers Want, is the originator of the thought, but Clayton Christensen has helped popularized the concept. On this theory though, I am staying with Ulwick's work and have used it numerous times. It works! It was not till several months ago that I actually finally created a mind map of the process. This is my rendition of it.
Clipping is a handy way to collect important slides you want to go back to later.