Privacy

Privacy

Short version: we collect as little as possible.

Progress

Your lesson progress and practice answers are saved in your own browser (local storage). If you don't sign in, we never receive them, and you can clear them any time by clearing site data.

Signing in (optional)

You can sign in with Google to keep your progress on all your devices. We then store your name, email address and lesson progress, and set one sign-in cookie. Google's sign-in page is opened only when you click Sign in; our pages never load Google scripts. Ask us to delete your account at any time.

No tracking cookies

We don't use advertising or tracking cookies. Fonts and files are served from our own server.

Waitlist

If you join the Premium waitlist, we store your email address only to tell you when Premium opens. We don't share it. Ask us to delete it at any time.

YouTube videos

Lesson videos are embedded from YouTube in privacy-enhanced mode (youtube-nocookie.com). YouTube's own policies apply when you play a video.