Google has started doing something like this[0]. They're basically taking advantage of the detailed satellite imagery they already have. You certainly don't hav

Google has started doing something like this[0]. They're basically taking advantage of the detailed satellite imagery they already have. You certainly don't have the same flexibility as you would with drones, but seems like decent quality and definitely helps with the scaling problem. [0] http://googleenterprise.blogspot.ca/2014/07/bringing-google-earth-images-to-business.html http://googleenterprise.blogspot.ca/2014/07/bringing-google-...