Highlight something in Microsoft Word and hit Shift+F3. It cycles the selection through ALL CAPS, all lowercase, and First character of a sentence capped. Invaluable for cleaning up text.
Christopher Null is a technology, business, and entertainment journalist, the founder of Filmcritic.com, chief mixologist at Drinkhacker.com, and the author of the books Half Mast and Five Stars! Catch his daily commentary on the technology world at Yahoo! News.