> traversing a graph of thoughts, 'uppers' enhance depth-first traversal, Interesting characterisation. I used to describe it to myself as "opening up 127.0.

> traversing a graph of thoughts, 'uppers' enhance depth-first traversal, Interesting characterisation. I used to describe it to myself as "opening up 127.0.0.1" - i.e. it enabled a level of introspection that had never come naturally to me. I guess I was studying that stuff at the time so it was salient, and the metaphor was readily available.