Otherland by Tad Williams, where the powerful oligarchs of corporations are kept bodily alive bybmachinery, their mind have been transferred to a cirtual realit

Otherland by Tad Williams, where the powerful oligarchs of corporations are kept bodily alive bybmachinery, their mind have been transferred to a cirtual reality and they keep on going by making said virtual reality the next hypercapitalist venture.