"The network is the computer"

There are hacker forces trying to break into your machine right at this very moment in order to temporarily lease your CPU and other resources on the black market.  It sounds like science fiction but it isn't -- the black market is merely ahead of legitimate business models, something akin to big pharma selling pot, which they already do.

Eventually this will be the way we "buy" computers.  We'll rent computer time on machines that we never see.  I think that was the idea behind the Chi Corporation in the late 60s...