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Posted by Wei Liu, Product Manager, reCAPTCHA
When we launched reCAPTCHA ten years ago, we had a simple goal: enable users to visit the sites they love without worrying about spam and abuse. Over the years, reCAPTCHA has changed quite a bit. It evolved from the distorted text to street numbers and names, then No CAPTCHA reCAPTCHA in 2014 and Invisible reCAPTCHA in March this year.
By now, more than a billion users have benefited from reCAPTCHA and we continue to work to refine our protections.

reCAPTCHA protects users wherever they may be online. As the use of mobile devices has grown rapidly, it’s

This post first appeared on Google security. Read the original article.

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