No comment has even mentioned Bill Gates yet.
> It's a hugely complex problem with Djikstra's shortest path being approximated in a distributed system of humans interfacing with phones interfacing with other humans.
huh? what are you talking about?
Weighted shortest path algorithms are regularly used in the freight forwarding space in order to calculate the rates paid for routes. Knowing it off the top of my head is how I got a job at a medium-sized commodity trader. Seeing those rooms full of people securing transport for goods we either owned or were moving for others is what makes me think it could be a reasonable idea.