BetaNews.com reports that an internal alpha build of Microsoft's next version of Windows, code-named Longhorn, made its way onto Internet sites early Tuesday. The leaked build, which is numbered 3683, appears to be from late September and sports quite a few new feature concepts - although many are not yet functional.

Microsoft experienced a similar leak during the alpha stages of Windows XP, then code-named Whistler. For more info warp 2 ... BetaNews.com.