Modern browsers provide an environment to perform many complicated tasks such as audio/video streaming, web based software, interactivity etc.The first graphical web browser, called WorldWideWeb, was developed in 1990 by Tim Berners-Lee.
Integrated search engine tool is relatively new feature in web browsers. It allows selecting your favorite search engine and doing a quick search by typing in a search term.
Netscape navigator once was one of most popular web browsers. In 1998 Netscape was announced to be free of charge and since then it was co-developed by Mozilla open source community.
Firefox team is constantly working on known security flaws offering one of the safest browsers available. Mozilla Firefox web browser offers very helpful features and reasonable security.