What is the purpose of the ‘I’m not a robot’? How does the reCAPTCHA work? Why do some websites check if you are a robot? Why does Google keep checking I’m not a robot? Can AI solve CAPTCHA?

One basic premise behind the Captcha-killers, backed by companies including Apple, is that instead of you solving a puzzle, your computer must solve challenges to prove you’re human.

From a user perspective, the process couldn’t be easier. You just check a box that says “I’m not a robot.” It doesn’t just take your word for it. Using what Google calls “an Advanced ...