Ars - Mozilla is creating a new kind of mobile operating system that is aligned with standards-based Web technologies. The platform, called Firefox OS, consists of the Gecko HTML rendering engine, a thin hardware enablement layer built on the Linux kernel, and a user interface layer called Gaia that is implemented entirely in HTML and JavaScript.
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.