I notice that maps.google give a lat long reading for the centre of their maps my gps only goes to 5 decimal places if I used decimal degrees. I've estimated that as an accuracy down to approximately one metre. google give their reading down to one ten millionth of a millimetre (smaller than a bacteria), and I wonder where these numbers come from they are obviously ludicrous. They give measurements the lat long down to 15 decimal places. What I'm wondering is that it is plainly impossible for these numbers to be real, as I'm sure that it far exeeds the resolution that a computer could mechanically detect. It would be like me pointing to a grain of sand on a beach and saying "I want *that* one"