Sorry @Ross but this was a civil discussion on a sensible subject that is refereeing future tech related. Not sure why you felt the need to input.
As an aside (and not related to previous method) I did a course in 2011, the instructor also had a rare breeds farm in Scotland, he was on his laptop and we were discussing something else but he showed us how livestock are now routinely geotagged, he boomed down to one of his fields 500 miles away and could see within feet the positions of his individual stock. He could even read the individual codes and tell me the names of individual animals! Quite basic really! Future stuff isn't a great leap!
As an aside (and not related to previous method) I did a course in 2011, the instructor also had a rare breeds farm in Scotland, he was on his laptop and we were discussing something else but he showed us how livestock are now routinely geotagged, he boomed down to one of his fields 500 miles away and could see within feet the positions of his individual stock. He could even read the individual codes and tell me the names of individual animals! Quite basic really! Future stuff isn't a great leap!
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