In 2005, then-Carnegie Mellon PhD grad student Luis von Ahn had an idea for a game. In one of the first examples of true crowdsourcing, he had people looking at images and labeling them to improve image search… Tweet This Post

Google just announced that it has acquired reCAPTCHA, one of the leading providers of CPATCHAs, the hard-to-read puzzles you often have to solve before you can sign up for a new web service. Google, of course, isn’t so much interested in owning software that can generate CAPTCHAs – that’s an easy problem to solve – [...]

Google has acquired reCAPTCHA, an open source technology that provides CAPTCHAs to prevent spam and fraud. Captchas are those security questions you find on Web sites that require you to decipher and type words or numbers and detects whether the user is a human… Tweet This Post