Firefox is a web browser, which is part of the open-source Mozilla project. One of the most popular browsers, after Internet Explorer, Firefox 1.5 Beta 1 was released in September 2005. Among its new features are the addition of Answers.com to the search engine list in the tool bar, automated updates, drag and drop reordering of browser tabs, improvements to popup blocking, and a feature allowing users to easily clear private data. Firefox allows the user to install a variety of plug-ins created by other users.
