We all understand the security benefits of using a CAPTCHA as it relates to anti-automation in a web application. The most common implementation of CAPTCHA functionality is reCaptcha, a technology that Google purchased in 2009. Most of the time it works great, but recently I ran across a site that was producing some bizarre images. I saved a few of these, and I'm pleased to present them here now for your enjoyment!
Hmm, I don't have some of these letters on my keyboard:
Users are expected know calculus now?
If a word is upside down, would you enter it left to right or right to left?
Absolutely no clue: