Brendan is a freelance writer and content creator from Portland, OR. He covers tech and gaming for Lifehacker, and has also written for Digital Trends, EGM, Business Insider, IGN, and more. Apple is ...

That $1, $5 or $10 bill in your wallet might be worth way more than its face value if it has one of these types of cool ...

You may well go your entire life not needing to know the serial number of your computer, phone, or other device. On the other hand, if a time comes when your device needs to be repaired, replaced, or ...

There are all kinds of reasons why you might want to check out your PC's serial number. You might need to provide it to your employer, or you might want to check it while troubleshooting technical ...

Pull any bill out of your wallet. See the dark green numbers on the top-left and top-right corners? Those are serial numbers, and some are more rare than others. If you happen to have paper money with ...