The launch of Windows 8 was one of the hottest topics at CES 2012. Windows 8 is Miscrosoft's next-generation operating system following Windows 7. Its special feather is that it supports laptop, desktop and tablet PC. In tablet PC, users can use Windows 8 either metro-style UI (user interface) or if necessary, desktop-style, which is similar to the existing Windows UI.
Source: Yahoo! News