Coach Thrasher

Wednesday May 31, 2006

Captcha

There's an interesting article in the Wall Street Journal today on CAPTCHAs. I just implemented a custom captcha for Tools for Teams account creation so this was particularly intersting. As I was putting my own implementation together the thought crossed my mind that a blind user wouldn't be able to use the captcha unless it was audio-driven. The WSJ states examples of bad captchas, ways around captchas, and frustrated users WRT captchas. I'd like to see a network/social based captcha system to validate users since it would be humans-validating-humans. Give me LinkedIn.com, crossed with Friendster, crossed with my ISP, crossed with my bank.

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