End of the world as you know it with Windows 8?
MIcrosoft's Windows 8 -- due out in October -- is expected to be a game changer on how we use computers by integrating mobile and desktop computing. CNet looks at 5 ways the operating system will overhaul the PC, including touch interface, the "edge" and tiles.
But CNet also looks into what's missing from Windows 8. Mail, Calendar and Messaging, to name a few, need some work.