No doubt you've already used Microsoft Word. Love it or hate it, you really can't avoid it; air is less ubiquitous.
But no matter how much you've used Word, you probably don't know all the cool stuff it can do for you. The following section explains a few handy tricks, like how to turn on or reveal text using "invisible ink," use Word as a personal translator, insert special characters, and create keyboard shortcuts for menu commands.
Figure 5-3. You can hide text using this dialog box. To delete hidden text, you first have to make it appear, then you can delete it as you would any other text.