The Firefox OS for mobile devices is built on Mozilla's "Boot to Gecko project" which unlocks many of the current limitations of webdevelopment on mobile, allowing HTML5 applications to access the underlying capabilities of a phone, previously only available to native applications.
Browsers have become more important as more software development shifts to the Web and away from applications anchored to personal computers and their operating systems, like Windows.
Drucker previously founded Steal Card, a software development company focused on creating web-based applications for insurance companies that was purchased by ChoicePoint in 2006 for an undisclosed sum.