Lex Fridman made Mark Zuckerberg take a real-life version of a robot CAPTCHA test before their interview. He handed Zuckerberg a piece of paper with a CAPTCHA puzzle asking him to circle all the traffic lights, mimicking the familiar online test used to distinguish humans from bots. Zuckerberg completed the test successfully, proving he is “not a robot,” as Fridman humorously confirmed before proceeding with the interview. This playful moment highlighted jokes about Zuckerberg’s sometimes roboti