Firefox: 2011
Performance :
 - up to 7x faster than Firefox 3.6 and 32 times faster than Firefox 1
 - up to 50% less memory usage
New! 
 - Firefox sync: More than 25 billion item synced
 - Firefox Aurora
 - Firefox for Android
Faster releases :
 - 10,881 enhancements
 - 83 new features
 - 135 new APIs
Firefox Live :
 - 3 red pandas adopted
 - 4.5 millions video plays
 - 200,000 hours of cuteness
Privacy :
 Do Not Track adoption:
  - Mobile => 17.6%
  - Desktop => 6.0%
 DNT
Customization :
 Add-ons: 480,000,000+ installs

First with leading security, privacy and HTML5 features:
{DNT,CSP,CSS :visited, WebGL (Canvas3D), HTML5 3D Video (with Nvidia), Mozillla audio API}


Brought to you by Mozilla, a non-profit builging a brighter future for the Web.
Expect more innovation and awesomeness in 2012.