The Logfolio extension is optional. If you install it:

• It reads the page you're on only when you open it or use its right-click menu: the address, the title, any text you've selected, and on supported sites the name, author, artist or ID of the film, book, game or album shown. It doesn't read pages in the background or keep a history of where you go.
• It sends that to Logfolio (logfolio.co) only to find or save what you chose: a search, a title's ID, a page you save as a Bookmark, or text you save as a Quote. The only other place it contacts is Open Library, for book covers in its search results. It has no ads or analytics and runs no code from elsewhere.
• It signs in with a token you create in Settings on logfolio.co. The token is kept only in your browser. We store a one-way hash of it, the name you gave it, and when it was last used. Revoking it in Settings or removing the extension stops it working.