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>> I would have thought some company would come up with the idea for a
>> cellphone, patent it, and have the entire world market to themselves,
>
> Why would you think that didn't happen? Cell phones have been around for
> 50 years or so.
>
> Patents expire, you know.
AFAIK, digital technology hasn't been around for 50 years, and an
analogue cell phone wouldn't be much use... I had assumed that's why
they exist now.
(OOC, does anybody know how long electricity has been around? I thought
it was comparatively new.)
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