How do you let people create user accounts or post comments on your Web site without letting spam bots in? Simple — make your users prove they’re human. Many Web sites use CAPTCHA (Completely ...
Quite simply, CAPTCHA works by asking end users to perform some task that a software bot cannot do. If the user can do the task correctly, it provides authentication to the service that the user is a ...
Aaron is a chemical engineering student who does freelance writing on the side. Despite his ties to the scientific community, he has always had a passion for journalism after almost a decade of exp ...
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