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6. Parabolic Ears
Here's a gift the ladies of "Desperate Housewives" would love — a listening device strong enough to let you eavesdrop on your neighbors. Law enforcement officers have used parabolic microphones to put many criminals behind bars. And now the power of such technology can be yours.

Of course, it's illegal to use an item like the ASV-5 Long Range Amplified Shotgun Microphone to listen in on your neighbors' private conversations. That's why one Web site warns you that this $379 microphone "is not intended for use in receiving audio through windows, doors, or any other solid substance, or for the surreptitious interception of audio and should not be used as such as to do so would be unlawful."

7. Follow That Car
Is your teenager driving straight home from school? You don't want to follow him. But you can get a daily report on his where he goes, thanks to a little device hidden in your car.

The GPS Pro Scout Vehicle Tracker, available at SpyChest.com, attaches to the bottom of your car with powerful magnets and uses global positioning technology to track where your car has been. This $475 tracker operates on four AA batteries, yet it logs up to 18 days of driving, automatically turning on whenever the car is in motion.

When your kid comes home, you just take the device off the car, attach it to your computer, and you get a complete report. Of course, if the kid figures out what you've done, he can just pull the device off the car and leave it at the location where he would be if he were a good boy.

But these days, is anyone good?

Buck Wolf is entertainment producer at ABCNEWS.com. The Wolf Files is published Tuesdays.