<https://strugee.net/blog/2019/04/make-recaptchas-im-not-a-robot-accurate> [...] I threw together a browser extension in like 30 minutes that changes "I'm not a robot" to "I want to do unpaid image classification". [...] today I've uploaded the latest version of this extension to both addons.mozilla.org and the Chrome Web Store. So at least if you're getting screwed by Google, you'll be able to make them be honest about how they're screwing you. Here's a screenshot: Screenshot of a test page with Google ReCaptcha on it; "I'm not a robot" has been replaced with "I would like to do unpaid image classification" [...]