15 Worst and Most Psychotic CAPTCHA Designs

by jason5ng32 on 2008-08-21 17:36:16

CAPTCHA, which stands for "Completely Automated Public Turing test to tell Computers and Humans Apart" (fully automated Turing test to distinguish computers from humans). In short, it's a human verification system. When we register for an email account or leave comments on some websites, we are required to enter the CAPTCHA code. A typical CAPTCHA consists of distorted or blurred numbers, or a simple arithmetic operation. The purpose of CAPTCHA is to prevent computers from automatically completing actions such as registration or posting comments. However, if the CAPTCHA were designed in one of the 15 terrible and absurd ways listed below, it would be quite awful.