Are you a human? If so, chances are you’ve filled out countless CAPTCHAs, the all-too-frequent tests internet users have to take to prove their humanity by identifying garbled text, fuzzy numbers, or images of traffic lights.

The tests serve the crucial function of differentiating genuine human web users from malign bots attempting to hack or spam a website. But they’re also annoying and time-consuming. Web infrastructure company Cloudflare estimates humanity collectively spends 500 years of labor each day on CAPTCHAs. In a May 13 blog post, the company declared its intention to “get rid of CAPTCHAs completely” through alternatives that wouldn’t require people to complete arbitrary tasks.