Some friends and I have built my most advanced Minecraft world yet. Lots of train tracks (there are little cars you can ride in), enchanted stuff, trading with the villagers...I won't bore you endlessly, but it's been really good fun to have a quasi-social thing to do. It's actually really fun—lots of little puzzles, creative freedom, the anarchic democracy of a collaborative effort.
Plus it's let me learn about server running, setting up
ssh and other processes. Which is the basis for a lot of "screensharing" applications. You can throw video output through the
ssh (secure shell) prot...