For class discussion: here is one look at the difference between Google Maps and Open Street Map.
From http://www.theguardian.com/news/datablog/2012/mar/28/openstreetmap-google-maps-technologies#
For class discussion: here is one look at the difference between Google Maps and Open Street Map.
From http://www.theguardian.com/news/datablog/2012/mar/28/openstreetmap-google-maps-technologies#