Perhaps the avenues with the most potential for disruption are 'open' user-centric Apps and 'Boot to Gecko' a web based OS for phones and tablets but there is quite a lot else as well. An intriguing read.
* 3.1 Firefox - Discover, experience and connect on your own terms
* 3.2 Firefox for Android - Fast and personalized, with leading HTML5 support
* 3.3 The Web platform and developer tools - Enable Web apps that rival native
* 3.4 Open app ecosystem - Develop and distribute apps on your own terms
* 3.5 BrowserID - an identity system for the Web
* 3.6 Boot to Gecko - Enabling Web-powered mobile phones