The Next Web
Firefox 21 Launches With Social API Support For msnNOW, Mixi And Cliqz ...
Mozilla today launched the latest version of its Firefox browser for Mac, Windows and Linux, and the highlight of Firefox 21 is additional support for Mozilla's Social API. This API allows social providers to integrate directly with Firefox and the ...
Firefox 21: New Social Providers, Open Source Fonts on Android - The Next Web
Firefox 21 officially released for desktop, Android version also gets a boost
Firefox 21 lands with "health report" and Android update