The Windows logo key, which is common on most keyboards these days, can be a powerful tool if you know the right shortcuts. Here's an updated list to speed your work.

Windows: There's a certain hierarchy to how you can close Windows apps, including the polite "File->Exit" menu option and the more thorough "End Process" in Windows' task manager. SuperF4, however ...

Microsoft will use the logo in the new charms bar for Windows 8, adopting the chosen theme accent color. We are expecting to see the new logo in the Windows 8 Consumer Preview , due on February 29th.