How to post an anonymous photo?

Question

Photo

Somewhere I heard about a system that allows you to identify prohibited content from photos (weapons, drugs, shock content, porn and other funny things) in social networks and file sharing, extracts metadata from them and, as a result, brings valiant policemen right to your door.

Actually there was a question out of pure interest, nothing criminal.
How does it work and how to take a completely "anonymous photo" if necessary?

Answer 1

Remove EXIF ​​information.
It is possible in Linux through exiftools, it is possible in Windows through the image properties.
Your coordinates, information about the device and so on are written there.
Good luck posting banned content and a soft bottle to you.