Enable Alt Tab For Windows Of Same MS Office Application on Windows 7

If you constantly work with Microsoft Excel and Microsoft Word and need to switch between the windows quickly you can change the settings in the application to ungroup the windows of the application.

1. Click the Microsoft Office Button and then click Excel Options (For Microsoft Excel 2007) or Word Options (For Microsoft Word 2007)
2. On the Advanced tab, under Display, select the Show all windows in the Taskbar check box and then click OK.

The Happiness Machine

An interesting article on how Google became such a great place to work http://slate.me/XUBRJ1.
Other companies can learn from this.