Mozilla announced today that its ready to launch the Firefox OS for smartphones. The first open web device powered by the OS will be coming soon. The OS will include the normal features like calls, messaging, email, and camera. It will also have a built-in social features with Facebook and Twitter, HERE Maps with offline capabilities and smart walking, driving and public transit directions, much-loved features like the Firefox Web browser, a new ability to discover one-time use and downloadable apps, and Firefox Marketplace. The Alcatel One Touch Fire and the ZTE Open will be the first phones with the new OS and will be available in different markets and networks. Check out the demo below.