I've setup a Minecraft server running on a headless box in my house. The server has a whitelist of about 20 names with my children's friends from school so they can play. It's running Craftbukkit/Spigot (http://www.spigotmc.org/) and Purugin (https://github.com/enebo/Purugin) which allows me to help them write Minecraft plugins in Ruby. Minecraft has spread like wildfire at their little school in the country, and being able to have their very own server that they are able to program and invite their friends to play on has made them micro celebrities at their school.
As a parent Minecraft is a way for me to engage with my kids on something we are all interested in. I am also teaching them programming on something they really care about. It's exciting to watch and be a part of, and this documentary will only fuel that growing passion to learn how to write code.