Hacker Newsnew | past | comments | ask | show | jobs light | darkhn

Reverse Capcha: Good Morning, computer! Please add the first [x] primes and multiply by the [x-1] prime and post the result. You have 5 seconds. Go!

This works once. The next time the human has a computer answering all questions in parallel, which the human can swap in for their own answer at will.




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact |

Search: