I was curious as to how out of date googles photomaps are in the US and Europe. So I made these list of the top 10 cities by population and zoomed into the CBDs on google earth to determine the aerial capture dates.
US are on average ~14.1 months out of date, and EU are on average ~28.5 months out of date.
http://en.wikipedia.org/wiki/List_of_United_States_cities_by_population
http://en.wikipedia.org/wiki/Largest_cities_of_the_European_Union_by_population_within_city_limits
Top 10 US
Column 1 Column 2 Column 3 Column 4 0 City Google image Days Months 1 New York 3/06/2011 1,156 38.0 2 LA 17/04/2013 472 15.5 3 Chicago 3/04/2013 486 16.0 4 Houston 9/04/2014 115 3.8 5 Philidelphia 8/10/2011 1,029 33.8 6 Phoenix 8/03/2014 147 4.8 7 San Antonio 8/02/2014 175 5.8 8 San Diego 14/11/2013 261 8.6 9 Dallas 19/10/2013 287 9.4 10 San Jose 24/02/2014 159 5.2 11 average 429 14.1
Top 10 EU
Column 1 Column 2 Column 3 Column 4 0 City Google image Days Months 1 London 19/07/2013 379 12.5 2 Berlin 27/07/2012 736 24.2 3 Madrid 27/08/2011 1,071 35.2 4 Rome 17/06/2013 411 13.5 5 Paris 1/08/2008 2,192 72.1 6 Bucharest 3/08/2012 729 24.0 7 Vienna 17/08/2011 1,081 35.5 8 Hamburg 21/07/2013 377 12.4 9 Budapest 16/04/2013 473 15.6 10 Warsaw 1/04/2011 1,219 40.1 11 average 867 28.5
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How out of date are googles photomaps?
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