Too precise I think - you can have multiple GPS coordinates for one address e.g. 2.00000000001 and 2.00000000002 could both be on the same building. Even a boun

Too precise I think - you can have multiple GPS coordinates for one address e.g. 2.00000000001 and 2.00000000002 could both be on the same building. Even a bounding box is too error prone. Also, verticality would be an issue.