I suspect that the law of diminishing returns comes in here - it is insanely valuable to have a map of everywhere in you pocket that you can pull out as soon as

I suspect that the law of diminishing returns comes in here - it is insanely valuable to have a map of everywhere in you pocket that you can pull out as soon as you need it. It is perhaps only slightly more valuable to have said map beamed directly into your eyes. Regarding AI/ML - the insanely valuable step was the spreadsheet.