If you're like most of us, it's unlikely that hackers have much interest in intercepting what you're typing. Still, with schematics and software to build keyboard sniffers readily available, it's nice to know you're protected from ne'er-do-wells, and Microsoft aims to give you that sense of security with its Wireless Desktop 2000. While it won't keep your cubicle mate from looking over your shoulder, it does use 128-bit AES encryption to keep your keystrokes a secret and your paranoia at bay.