https://www.google.com/search?q=double+diamond+design+thinking
https://medium.com/seek-blog/design-thinking-101-the-double-diamond-approach-ii-4c0ce62f64c7
- What are the problems
diverge (discover) => converge (define) => pb defined
- What are some solutions
diverge (Develop) => converge (Deliver) => solution
