One of my favourite living documents on the internet - a living slide deck I check every few months that never ceases to be full of surprising and weird connections
Triumph of the Nerds: Part 1: Impressing Their Friends
When I was at Index we would include two sections in our memos that were popularized by Larry Summers. We would write about a company's "pre-parade" and "pre-mortem." Not only a "dream the dream" scenario, but a "dream the nightmare."