Collectors and dealers say some old $100 bills are quietly trading for many times their face value, turning an ordinary trip ...

You've probably never given a second thought to the dollar bills sitting in your wallet right now. Most people don't. They're just money, right? Something to grab for coffee or parking meters, and ...

Apple will soon be making a significant change to its serial number format for future products that will see some key information stripped out. In an internal AppleCare email this week, obtained by ...

Serial numbers in zone files help your DNS service determine whether it should re-ingest your zone files or ignore them. But there’s more to these pseudo timestamps than meets the eye. In fact, the ...

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 ...

Although most of your paper money won’t be worth more than what it says, there’s a chance it might — even if it’s not decades old — based on the serial number. To find the value, or find out if your ...

MacRumors previously reported about Apple's plan to switch to randomized serial numbers for future products starting in early 2021, and this transition has now started with the new purple iPhone 12 ...

Three ways to remotely determine your Cisco router’s serial number Your email has been sent Inventorying your routers' serial numbers is an important activity that every network administrator needs to ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...

Knowing the motherboard’s model and serial number can be beneficial while searching for BIOS firmware updates from the manufacturer’s support site. A product’s serial number enables the manufacturer ...