Before revision: Concerning human extinction scenarios, identifies superintelligence as a possible cause: In theory, since a superintelligent AI would be able to bring about almost any possible outcome and thwart any attempt to prevent the implementation of its goals, many uncontrolled, unintended consequences could arise.
After revision: Concerning human extinction scenarios, Bostrom identifies in 2002 superintelligence as a possible cause: In theory, since a superintelligent AI would be able to bring about almost any possible outcome and thwart any attempt to prevent the implementation of its goals, many uncontrolled, unintended consequences could arise.