Luis von Ahn is my new hero
Not only does this guy’s last name contain two words that also rhyme (von Ahn), he is undoubtedly the king of ultra-philanthropic-super-geekiness.
Luis von Ahn is an assistant computer science professor at Carnegie Mellon University. Together with a team from Carnegie Mellon University, Luis is largely responsible for CAPTCHA1 programs as we know them today.
A CAPTCHA or Captcha (pronounced /ˈkæptʃə/) is a type of challenge-response test used in computing to ensure that the response is not generated by a computer. The process usually involves one computer (a server) asking a user to complete a simple test which the computer is able to generate and grade. Because other computers are unable to solve the CAPTCHA, any user entering a correct solution is presumed to be human.
—Wikipedia
Not content to simply help rid spam from the face of the earth, Luis believed that CAPTCHA technology could be used for a greater purpose. He decided to use CAPTCHA—a relatively large waste of human energy and time2—and apply it to a problem of global proportions: digitizing the world’s vast library of books, newspapers and old time radio shows.
Read more


Recent Comments