visual: Alphabet "X" innovation process (Venn diagram)

Another "3 overlap circles" (Venn diagram) method

Astro Teller, Captain of Moonshots at X, on the Future of AI, Robots, and Coffeemakers - IEEE Spectrum
The process:

• "First you have to say what the huge problem is you’re trying to solve.
  You have to be able to describe it in order for it to have any chance of taking root at X.
  
• And there has to be some articulatable, hard but potentially solvable,
  technology problem at the middle of it.
  
• Once that’s true, we go down a path where
  instead of saying, “What’s most fun to do about this or what’s easiest to do first?”
  we say, “What is the most likely reason this project won’t make it?” (solution)