Mozilla has revealed that Microsoft's Bing search engine will soon join a default part of Firefox's search bar. And, this will happen when Firefox 4 arrives. The developers' team further said that it would feature some slight changes to the list of search engines, offering, in order: Google (default), Yahoo!, Bing, Amazon, eBay and Wikipedia. Until now, tech-savvy users could install a Bing search plug-in on their own. But now, it
will be easier to access the search engine by clicking on the drop-down list in the browser's built-in search box.