If for some reason you were thinking of sticking with Firefox 4 and not upgrading to Firefox 5, well, don't. Mozilla has confirmed that Firefox 4 has reached its end of life and there will be no more security updates.
Although Firefox and Internet Explorer are competing for the market share, they do respect each other and as a tradition Microsoft always send a cake to Mozilla whenever they ship an major version of Firefox.
We all know that add-ons are one of the best things about Firefox and Firefox users love their add-ons. However there was never any clear data on the add-ons installed untill Firefox 4.
Mozilla Labs has introduced its concept of a desktop replacement called Webian Shell. Read on for screenshots, comparison with Chrome OS and the download link.
Twitter has confirmed that it is launching a photo sharing service in partnership with Photobucket and an improved search. After its recent acquisition of TweetDeck and AdGrok, Twitter sure is expanding very fast.
Mozilla has introduced the about:permissions page in Firefox 5, just like you have the about:config page. This page has a list of all websites that you have visited and it lists the permissions that these websites have while interacting with your browser.