> I don't want to have to store a bunch of location or routing data in my head. hmmm, given how closely memory is linked to spatial navigation sense, and not j

> I don't want to have to store a bunch of location or routing data in my head. hmmm, given how closely memory is linked to spatial navigation sense, and not just in humans, but in evolutionary terms-- think squirrels remembering where they buried nuts, birds and fish remembering migration routes, ... suggests the ability to store location/routing is foundational to much of intelligence. Even simple tasks, typing, for example, depends on my knowing where the keys are. Imagine if your keyboard re-organized its keymap randomly every third keystroke.