15
votes
4answers
1k views

What good is this moving captcha from Apple

A Hacker News article pointed me to http://www.apple.com/itunes/50-billion-app-countdown/entry-form/ where they use moving captchas: I assume that its a way to make shorter (and therefore ...
7
votes
3answers
461 views

Has Captcha become common knowledge?

I am doing a business site for a web company, and was wondering if Captcha has become so well-known, that it no longer needs an explanation ? Right now there is only a input box, the captcha image ...