Our ancestors didn't know their faces
lesswrong.com·10h
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Published on November 6, 2025 10:43 AM GMT

When you are born, nobody knows your face. And in particular, you don’t know your face.

As you grow up, you become familiar with your face, observing how it slowly changes, with its pimples coming and going. This ability hinges on the peculiar fact that you have access to images of yourself, mainly from mirrors and photos.

But these are both relatively recent inventions. The first daguerreotype portrait was taken in 1839, and the earliest traces of manufactured mirrors were polished obsidian found in modern-day Turkey, dated to 6000 BCE. So, ten thousand years ago, your options for seeing yourself were:

  • A still lake or rain puddle
  • Lookin…

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