Google has built a better CAPTCHA system for humans
It's going to be easier than ever to prove you're a human on the Internet.
5 CAPTCHA alternatives to replace your least favorite security tool
As bots get better at beating CAPTCHA, developers seek easy-to-use alternatives.
Snaptcha: It's not a typo, it's a security upgrade for your secret messages
Finally, Snapchat is addressing its security failings... with a cutesy take on the CAPTCHA.