To add to the mix, agents are nominally proactive, rather than a tool wielded by someone. This (again nominally) means having goals, although the goals can oft

To add to the mix, agents are nominally proactive, rather than a tool wielded by someone. This (again nominally) means having goals, although the goals can often be in the observer's mind rather than the agent itself. Reasoning with goals is trivial for humans but the algorithms get hairy.