You hardly have to do all the heat/waterproofing and miniaturization: build it into a belt buckle. I wonder if anyone's done this yet? Google gives 10 pages of

You hardly have to do all the heat/waterproofing and miniaturization: build it into a belt buckle. I wonder if anyone's done this yet? Google gives 10 pages of results: there are a lot of those out there. Kurzweil was right!