Google has actually been using reCAPTCHA with an ulterior motive: crowdsourcing the digitization of old newspapers and books.

FORBES: Artificial Intelligence Will Defeat CAPTCHA -- How Will We Prove We're Human Then?

In a test of my own superiority to robots, I decided to submit myself to reCaptcha's audio test.

FORBES: Identity Theft

Check out the series of blog posts in Techie Buzz to learn more about how reCAPTCHA works.

FORBES: Artificial Intelligence Will Defeat CAPTCHA -- How Will We Prove We're Human Then?

But reCaptcha still has to deal with the same problem as every other test of human abilities: access for the blind.

FORBES: Magazine Article

In a few minutes I had been labeled human by reCaptcha's audio test seven out of 10 times, just as von Ahn had predicted.

FORBES: Magazine Article

ReCaptcha takes a new approach: The project scans and digitizes thousands of pages of real-world text, including old books and the archives of TheNew York Times.

FORBES: Identity Theft

ReCaptcha takes a new approach: The project scans and digitizes thousands of pages of real-world text, including old books and the archives of The New York Times.

FORBES: Magazine Article

Last year he founded reCaptcha, a new take on the CAPTCHA that he says has yet to be broken and is already being used on thousands of sites, including Facebook, Twitter and Craigslist.

FORBES: Magazine Article