Unstuck has no accounts and doesn't collect your name, email or other personal details.
Which practice questions you've answered is saved only in your own browser (local storage). Clearing your browser data removes it. It is never sent to us.
When you use the helper, your question and the topic's notes are sent to an AI service (Cloudflare Workers AI) to write a reply. Unstuck doesn't store your questions. Please don't type personal information into the helper. The helper can make mistakes, so check its work.
Videos are embedded from YouTube in privacy-enhanced mode (youtube-nocookie.com) and only load when a page has a video. Fonts are loaded from Google Fonts.