>>20456244I think the captchas which are photographs are meant to help teach Google maps how to read street numbers better on street view, and to decipher ones the computer couldn't, but some of them are just not street numbers at all, or impossible to read for either a human or machine. I wonder if after a certain number of times of people refusing to answer those, they take them out of circulation.
Sorry for off-topic post, but it's kinda an interesting thing to think about.