The claims may be silly, but the captchas seem reasonable to me compared to the increasingly impossible to read "what characters do you see?" captchas and the i

The claims may be silly, but the captchas seem reasonable to me compared to the increasingly impossible to read "what characters do you see?" captchas and the increasingly hard to decipher images of crosswalks and trucks. Captchas seem to work best when they reflect the simplest task that AI cannot do rather than a task AI can easily do but with the difficulty ramped up.