If you’ve submitted a comment, signed up for a newsletter, or uploaded a photo to the Internet at any point in the past five years, there’s a good chance you’re familiar with the CAPTCHA system. CAPTCHAs are the annoying little verification windows that pop up, asking you to decipher a nearly unrecognizable series of letters or words, and Web users have hated them for years.
But if these silly security systems make you want to bust your keyboard in half, you’ll be happy to hear that we may very well be seeing the last days of the obnoxious, text-based CAPTCHA system, and the next verification system you see online may make you happy to view advertisements for the first time ever.

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