Some time ago, during the height of the dot com silliness, a company (trying to raise money) proposed flying planes 24/7 over major cities which would "bounce" an internet signal to moving rooftop dishes.
I forget the name, I'm sure they're long since forgotten ... they did have a web site with complete plans and animations. Heh, it looked like something that would have come from the mind of Hugo Gernsback :)
" A blisteringly fast data downlink provided by a stratospheric
> balloon floating 24,000 metres above the Earth has been tested for the > first time.
> " The untethered, 12,000-cubic-metre helium balloon was tested on 31
> August for several hours. Analysis now shows the test was a success
> and sent data to the ground at 1.25 gigabits per second. That is
> thousands of times the capacity of a home broadband internet
> connection and the first time such a link has been tested from the > stratosphere.....
> [ snip ]
>
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> ( and... a url in the article gets you to some video:
>
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> Knowledge may be power, but communications is the key
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