3 ms·

By this definition of "Stone Age", sea otters have also entered into the Stone Age.

• sombremesa 11y ago
  By the number of upvotes this kind of crap gets, HN has also entered into the stone age.
  • tudorw 11y ago
    Thank you and good night :) Sombre indeed!
  • ionwake 11y ago
    Great reply.
• tudorw 11y ago
  He's having a go at the otters now.
• duaneb 11y ago
  Do sea otters customize/enhance/improve their tools or just use them?
• teaneedz 11y ago
  Love it.