8. Demonstrate to a website that you are a legitimate user using ReCAPTCHA or other verification methods.
ReCaptcha is an internet service that helps protect websites from unauthorized logins. It requires you to do something to prove that you are a real person.
You could find yourself checking a box that says "I'm not a robot" like the one shown here.
You could find yourself sometimes performing a task that requires you to use judgement, like identifying objects in a picture like in the example shown here.