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DUNGBEETLEMANIA

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Member Since: 1/2006Last Seen: 11/25/2009

An Invisible CAPTCHA

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Soon you may not need to squint at distorted letters to prove your humanity.

Sanjay Sehgal thinks the average CAPTCHA, that collection of deformed characters that Web sites ask users to type out when registering for an account, is both too easy and too demanding. The image tests designed to weed out spam-spewing bots often annoy real people--and rarely keep out determined spammers.

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