Before you spend that $20, check the serial number. Certain patterns and star notes can make ordinary bills surprisingly ...

Twitter has a troll problem. Even its CEO knows it. And now the company is doing more to prevent its users suffering abuse and threats on its service. In a bid to make improvements, Twitter has ...

State laws protect the right of citizens to cast secret ballots. Many states include some type of tracking number for each absentee or mail ballot, often on the envelope. But once the completed ballot ...

I used to work for a computer OEM, and we very much had serial number tracking that extended through parts procurement, system build, ordering, and RMA. Look up any serial number and it would give you ...