Firefox 4 was downloaded 6 million times on first day

According to the stats by a Mozilla site that tracks Firefox 4 downloads, in 24 hours after the new browser official launch Firefox 4 was downloaded for about 6 million times.

In comparison, Microsoft’s Internet Explorer 2.35 million downloads within its first day of availability.

Firefox 4 a number of new features such as a simplified interface featuring the new orange Firefox button (Windows only), pinned tabs for easy access to Web apps, tracking protection, and sync for bookmarks, history and passwords. There's also a new feature called Panorama that helps you organize your open tabs into groups.