Engadget - Just about three months after launching on Safari and Chrome, Amazon's Kindle Cloud Reader app has finally made its way to Firefox. With this HTML5-based app, Mozilla devotees can access Kindle books directly from their browsers for both online and offline reading, while syncing their digitized libraries, notes and bookmarks.
It's 2022, every browser should have this.
Web browsers collect a massive amount of our web history data. These options can help with that.
A major source of revenue for Mozilla.