http://www.seattlepi.com/technology/businessinsider/article/These-3D-Maps-Show-Where-Shoppers-Are-At-Any-4833897.php
Aaron J. Rodriguez
flipped into Hello World!
http://www.seattlepi.com/technology/businessinsider/article/These-3D-Maps-Show-Where-Shoppers-Are-At-Any-4833897.php