While entering information on a Web page, you may have run into a CAPTCHA — that string of letters you type to prove you're a real person. Luis von Ahn, an assistant professor of computer science at Carnegie Mellon University, wants to harness all that extra typing to streamline the process of digitizing books. He talks with Alex Cohen about his program, reCAPTCHA.
Copyright 2022 NPR. To see more, visit https://www.npr.org.