real story;
string sender = "anonymous";
Boss: After the security update, some of the users are having issues to access. The system asks to click on every parking meter images, then they can't log in...
Dev: Some images are hard to identify, but they can click on reload button till it shows better images
Boss: That's not the problem. The Problem is that they doesn't know what a parking meter is!
Dev: PLOP!
--
T-shirt: Sorry, skynet, it was not me who put the captcha