Or, how to make a pencil. https://www.youtube.com/watch?v=IYO3tOqDISE https://www.youtube.com/watch?v=IYO3tOqDISE (not the same guy at all, but your comment r

Or, how to make a pencil. https://www.youtube.com/watch?v=IYO3tOqDISE https://www.youtube.com/watch?v=IYO3tOqDISE (not the same guy at all, but your comment reminded me of this. It's really about specialization and the interdependency of everything in the economy)