On "Service Model": helping librarians to preserve all human knowledge

While reading &ldquo;Service Model&rdquo;, a book by Adrian Tchaikovsky, I was first fascinated by the librarians, and then later awestruck by the elegance and silliness of their idea. This post will explore a potential implementation of the algorithm, a little bit of exploration of Async in Ruby, and some spoilers for that part of the book. You have been warned.