<blockquote>In the final days of Earth as we knew it, Chang E won the moon lottery.
For Earthlings who were neither rich nor well-connected, the lottery was the only way to get on the Lunar Habitation Programme. (This was the Earthlings' name for it. The moon people said: "those fucking immigrants".)
Chang E sold everything she had: the car, the family heirloom enamel hairpin collection, her external brain. Humans were so much less intelligent than Moonites anyway. The extra brain would have made little difference.</blockquote>
