And the solution to the water issues can be found in any introductory textbook on the subject: a water price.

> People keep pointing out, and it doesn't seem to sink in, that model trainers only have use for a single copy of a book.

Please pardon the tangent: that's what always bothered me about the Borg in Star Trek. Why do they need to assimilate whole species? I'm sure there are enough volunteers in the federation that would join the Borg collective. Even a handful should be enough.