A couple of things stand out for me from the article, one is that this sort of aerial image to detailed map was one of the things the US Government was doing with satellite images in the 70's, and with Google's compute resources if it this seems like the kind of 'side' use that would be encouraged. It is certainly a more useful use of compute resources than computing cryptohashes :-). The second thing was that Google…
We can get some satellite imagery for free from weather satellites, but it's nowhere near the resolution needed for street maps.
https://hackaday.com/2017/12/05/grabbing-raw-images-from-a-n...