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Maybe this is old news to other people but I never though that mapping the world in such detail could actually be useful for anything.
I remembered some japanese restaurant that had take-out but didn't want to drive through small streets (if you've never been to Europe, we have the smallest streets) trying to find where the restaurant was. I don't mind driving around but it's not something that's I actually like to do, especially someplace I'm not familiar with.
So I basically went "driving" on my PC with Google Earth through the street view thing where they map the street in super high detail an you can look left and right. I found the restaurant and the picture was so high quality that I could actually read the phone number from the sign.
There you go, it actually has a use for me.