Just a few decades ago, buying things meant going to the bank — your own physical branch, mind you, during the brief hours it was open — to take out cash. If you didn't have time for that, or ran out ...

We put cameras on our front doors and maybe even have one inside to watch what our pets are doing while we’re away, but it’s not because we’re paranoid—it’s because security gives us peace of mind.

The security of an RFID system, as with almost any payment or information technology system, depends on how it is set up. If a transit company is issuing transponders with unique serial numbers and ...

This is an excerpt from Dollar Scholar, the Money newsletter where news editor Julia Glum teaches you the modern money lessons you NEED to know. Don’t miss the next ...