For years, Webmasters always faced a major problem: How to be sure that data provided in an online form come from a “human” and not a bot? (ex: to extra contacts of databases or to flood with false data)
One well known methode is to use a randomized string displayed in a picture:
Now, captcha.com developed a new method to proof that you’re a human…
For sure, this is a strong method! But they will start a flame war with feminists 😉