What Are The Uses Of Comuter Networks In An Organisation?

To set up a number of scams including a massive torrent downloading site that is up 24 7, a zombie network of computers handling data for shady characters, a free wi fi network for local people who in turn let their PCs be used as part of the zombie net. People will do anything for a freebie.
An auto dialler system that can take advantage of world wide time differences and fluctuations in currency to make money by dialling numbers than generate income.