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by Houshalter 3774 days ago
It's not anything a human can't do in theory, identifying plants and common architecture features. If you are uploading photos on facebook, it's far more likely you'll leak geographic data through the photo's metadata, your ip, and gps.
1 comments

Metadata is basically giving your data...

Stallman was asking to not put any kind of his pictures on Facebook, which means your face is recognized now by Facebook, and there's plenty of things to do with that...