The above map of the world, drawn by Facebook data structuring intern Paul Butler using connections between 10 million Facebook friends (full-size link), is interesting enough in itself until you realize that all of the country borders are entirely drawn using Facebook friend connections too. Even if the world was dark and totally unmapped, Facebook could produce a remarkably good approximation of most of its continents’ boundaries, and even the borders of some countries. It still took some clever math.
Structure of the Universe Does the Universe have an edge, beyond which there is nothing? Are the galaxies arranged on the surface of a sphere? Why can't we see the whole universe?
First off, why would you suggest that one should stop seeding after a certain point? Isn't the whole of BT based on people continually sharing. If it's all about share ratio for you, you're doing it wrong. Second, why to people keep recommending public blocklists?