This is an excellent overview of the narrow waist concept which is a highly zoomed out. I think it's hard to see sometimes because when you are working within a

This is an excellent overview of the narrow waist concept which is a highly zoomed out. I think it's hard to see sometimes because when you are working within a narrow waist you are typically working on something that looks more like a series of filters in one or both ends of the hour glass. The fundamental compromise that the narrow waist is much more general than the specific domain you are working in means it fades to the background and instead you are working to handle all the ways that too general a space needs to be specialized.