You still own a slide rule, and you know how to work it.

You can name six "Star Trek" episodes.

You have a functioning home copier/scanner/fax machine, but every toaster you own turns bread into charcoal.

You have a habit of destroying things to see how they work.

People groan at the party when you pick out the music.

You have more friends on the Internet than in real life.

You thought the real heroes of "Apollo 13" were the mission controllers.

You think that when people around you yawn, it's because they didn't get enough sleep.

You spend half a plane trip with your laptop on your lap... and your kid in the overhead compartment.

You've tried to repair a $5 radio.

Your laptop computer costs more than your car.

Your four basic food groups are caffeine, fat, sugar, and chocolate.