Security should always be an issue when it comes to computer applications.
Web applications and websites are even more exposed, so likely every weak spot will be exploited someday.
For years, web forms have been used by robots, spreading spam on most websites.
Captcha appeared in order to verify if the user accessing the form is human or not. It does that by showing an image with a text. The image cannot be converted into text by any OCR mechanism, but the human user is still able to read.
So how can we use recaptcha (www.recaptcha.net) with rails?
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