CAPTCHA | dragonCrew

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	dragonCrew Topics Protect Yourself Get Tested CAPTCHA


	One who knows neither the enemy nor himself, will invariably be defeated in every engagement. Sun Tzu

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CAPTCHA

Have you ever wondered why sites like PayPal, Amazon, Yahoo and Network Solutions use the technique of having users enter the value based on a graphic?

It's simple. It's to prevent people from programmatically filling out and submiting forms via bots.

Learn More

If you don't know about this then I implore you to find out more about captcha's (Completely Automated Public Turing-Test to tell Computers and Humans Apart).

Why Care?

Well, imagine if you're a heavily used site and now you have tons of "people" who are just constantly taxing your servers. This activity left unchecked is costing you money if you don't have the proper web page statistics in place to correctly identify this type of increased traffic. You know marketing will just want to add more servers to the farm.