Google’s new test, called CAPTCHA, aims to prevent automated programs from accessing their services. The test requires users to press and hold a button for at least 2 seconds to confirm they are human. This move is part of Google’s efforts to protect its online services from malicious bots and spammers.
Source: https://www.sfchronicle.com/entertainment/article/axl-rose-james-hetfield-20759733.php