The CaptchaBattle was held during at the 2010 DMEXCO CaptchaAd stand, and, in the aftermath of the fair, once more on

2,000 user tests were evaluated.

You can still participate in this test:

Let loose with CaptchaBattle!

In the battle of reCAPTCHA vs. CaptchaAd the following two questions should be definitively answered.

1. Which option do users like better?

2. What protection is to be solved more easily by the user?


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