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Visual Verification: OpenDNS Adds Audio CAPTCHA, Tears Down "No Blind People Allowed" Sign

January 23, 2008 • Darrell Shandrow Hilliker

John Roberts, a product Vice President of OpenDNS, reports that the organization has now implemented an audio CAPTCHA to make its protected services accessible to blind and visually impaired users. We tested the CacheCheck and Adult Site Checker, finding the audio CAPTCHA to be both easy to use and reliable. We thank OpenDNS for providing its services to the entire Internet user community in an accessible form and implementing a reasonable accomodation to its CAPTCHAs so that everyone, including the blind and visually impaired, may fully participate.

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