Observation: The first step to idea generation
[embed]https://m.youtube.com/watch?v=Of_FSqC1iGA[/embed]
The ‘Closed World’ method and ‘The Subtraction’ technique
[video width="1920" height="1080" mp4="/wp-content/uploads/2018/06/Closed-World-and-Subtraction.mp4"][/video]