More than two years ago, Hewlett-Packard, the IT and computer products and services provider based in Palo Alto, Calif., started deploying RFID in parts of its manufacturing and distribution chain.

It can be a pain to wait at a toll booth. Luckily, RFID toll tags can help. RFID toll tags are small devices that drivers attach to their vehicle windshields, usually behind the rearview mirror. Each ...

RFID tags can store information such as the product name, price, expiration date, and origin. RFID readers can read this information from a distance, without requiring direct contact or line of sight.

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 ...