Innovation on CAPTCHAs
written by Jijo Jose
at Friday 25 July 2008
When posting comments on a blog or registering for web services, you probably asked to read a CAPTCHA to ensure that you are a human and not a bot.To prevent the CAPTCHA being cracked by bot, some websites present very hard to read CAPTCHAs, but none of them is as hard as this one...
![](http://bp1.blogger.com/_Y6G22A7SusI/SInEQe71EoI/AAAAAAAAAH0/8BhZ1Fkq_H0/s200/CAPTCHA.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHtay5qhx7g0rWBgq4tj3GmqcT1C3S2omCwxBjqdUx2gPh-TwCRVnd0Oykoynluh3EbAbMLkDYzKdGU0QW4kBAGf8q0Wl1aWF5Lqt7IFSjAwFGxFvqlDjpdFjbRSNOTRHmOFB26Oz57n4/s320/CAPTCHA.png)
Some people are even thinking of commercialize the CAPTCHA...like this one..
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaEYF30qJRPzbbTjrYoGHKbPARjFfRq2zXj6QHCE-gANZVJJOW0XcRMQPTbNbvpJ12L_6mqvHLjUS5Z3XAcF4QqQDUUEzjTKzJjSAxLMfp33dcs_L_IJtwsq-8uUAMZDb5cPenFmjjsms/s320/cok.png)
![](http://bp1.blogger.com/_Y6G22A7SusI/SInFBGGKaqI/AAAAAAAAAH8/DFjjWjyFclc/s200/cok.png)