In this how-to video from CNET TV Editor Tom Merritt, you'll learn about the importance of PGP, why you don't have to pay for it, and how to go about setting it up. He also uses the must-have Mozilla Thunderbird extension Enigmail to get you there. You can download Thunderbird for Windows and Mac, although Tom demonstrates on a Mac.
You know I'm using it. Well, you probably don't know I'm using it, since by using it my e-mail's encrypted and you shouldn't be able to tell what I e-mail about. But you do know what I mean, right? Right?