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Is there an Unobtrusive Captcha for web forms?

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What is the best unobtrusive CAPTCHA for web forms? One that does not involve a UI, rather a non-UI Turing test. I have seen a simple example of a non UI CAPTCHA like the Nobot control from Microsoft. I am looking for a CAPTCHA that does not ask the user any question in any form. No riddles, no what's in this image.

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KP. Avatar asked Aug 06 '08 02:08

KP.


1 Answers

I think you might be alluding to an "invisible" captcha. Check out the Subkismet project for an invisible captcha implementation.

http://www.codeplex.com/subkismet

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sestocker Avatar answered Sep 20 '22 16:09

sestocker