See how we created a form of invisible surveillance, who gets left out at the gate, and how we’re inadvertently teaching the machine to see, think like us.
CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. It's a test that a human can solve in seconds, but it's a major challenge for even the world's most ...
Play the nation’s oldest newspaper crossword for free every day and challenge friends to beat your time. Check back each day for a new puzzle and to browse our recent archive. Jump in to track your ...