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If you have location enabled on your phone, Google appears to cross reference your location with your photo timestamps to work out where you were. I know this b

If you have location enabled on your phone, Google appears to cross reference your location with your photo timestamps to work out where you were. I know this because when I import my DSLR images to Google Photos it estimates the location, usually very accurately.

ben1040 9y ago
I've also seen it geotag things based upon the content of the image alone. I went to the photo store not long ago and had dozens of rolls of negatives scanned, from a vacation to Europe 20 years ago. I uploaded them into Google Photos and it geotagged many of them automatically. They have a public API that does the same, it detects landmarks in images and can give you a lat/long position for it as well as a confidence score. https://cloud.google.com/vision/docs/detecting-landmarks https://cloud.google.com/vision/docs/detecting-landmarks
- mit65 9y ago
  apple cloud did release a lot of celeb pics over the internet...let's not forget that
  - gbear605 9y ago
    That was a phishing attack, nothing to do with Apple other than that the people attacked by it were iPhone users.
amonavis 9y ago
I discovered the same last week. I made a trip to Amsterdam some 11 years ago, and since then uploaded my entire photo library to Google Photos. Last week I was playing around and searched "Amsterdam" in Google Photos, whaddaya know, (most of my) photos from Amsterdam showed up, at least those with discernible features/buildings/landmarks.