system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do people censor their eyes when they post pictures of themselves when you can still pretty much tell it's them if you knew the person originally?
gpt
There is a lot of facial detail in and around your eyes.  If you know the person, then your brain will fill in the blanks and help you recognize them, but if you don't know the person, then you have no idea what that area should look like, and that conceals their identity.