On Tuesday, Mozilla revealed its Web browsing future with Firefox 4 beta 1. Apart from front-end changes such as tabs-on-top, a new Firefox menu button, and upgraded search functions in the URL field, the new beta has much to offer under the hood. Its upgrades include more HTML 5 support, including for the WebM video format that's been generating a lot of interest. You can expect to see a lot more Firefox news as Mozilla continues to develop this new beta version. In the meantime, check out Download.com's first look at Firefox 4 beta 1.
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