Free Captchas, Google App Engine and OCR

Captchas are the distorted, almost unreadable strings you have to retype in a web page in order to do a specific action. The purpose of the captcha is to make sure the form has been filled by a human and not a “bot”.┬áMost of the time you will find captchas on login and comment pages.… Continue reading Free Captchas, Google App Engine and OCR