Protect your site from spammers with reCAPTCHA

One unique aspect of reCAPTCHA is that data collected from the service is used to improve the process of scanning text, such as from books or newspapers. By using reCAPTCHA, you're not only protecting your site from spammers; you're helping to digitize the world's books.

2010-01-26

 Google CAPTCHA SPAM security book digitization scanning

Return to the linkmark list.