Windows: If you want to switch to a different application quickly, Alt+Tab and, in Windows 7, Win+Tab, let you preview and select an open window. But ...

Free add-ons for Windows XP and Vista let you sift through your open windows to find the one you need in a jiffy.

iTunes lets you control your music playback from its window, but if you don’t want the full interface visible while you listen to music, there are other ways to tell the app what to do. I’ll ...