War With Spammer - reCAPTCHA AntiSpam

War With Spammer - reCAPTCHA AntiSpam CommentWhat is captcha?A CAPTCHA is a program that can tell whether its user is a human or a computer. You’ve probably seen them — colorful images with distorted text at the bottom of Web registration forms. CAPTCHAs are used by many websites to prevent abuse from “bots,” or automated programs usually written to generate spam. No computer program can read distorted text as well as humans can, so bots cannot navigate sites protected by CAPTCHAs. reCAPTCHA helps prevent automated abuse of your site (such as comment spam or bogus registrations)