On 02/06/2011 10:22 PM, Boris Liberman wrote:

I played a bit with idea of geotagging. Obviously, like you say, Paul,
there are reasonably good programs for cell phones (Android and IOS
alike) that do just that - record your coordinates ever so often in a
file that can be later cross-referenced with the time the photograph was
taken for producing a reasonably accurate geo-coordinates for the image.


Apparently, if you have an iPhone, it it almost constantly recording it's whereabouts (and generally it's owner's whereabouts) on an almost continuous basis. My understanding is that it also sends this information back to Apple periodically.

--

William Robb

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