Alain-Christian from Queens, NY asks: "Why doesn't Google use reCAPTCHA for word verification? As it says on their website, 'Answers to reCAPTCHA challenges are used to digitize textual documents.' Imagine how many more documents could be digitized … [Read more...]
Introduction to reCAPTCHA
Luis von Ahn, a research scientist at Google, introduces a free service called reCAPTCHA. Learn more: googlewebmastercentral.blogspot.com … [Read more...]