Radio-frequency identification, better known by its acronym RFID, has seen varied uses in ports, trucks, and outside the four walls of warehouses, but it’s now expanding to new areas as other technologies muscle in on its original turf. One of RFID’s earliest uses at the ports was to track the location of large equipment like cranes. Companies would bury an RFID tag reader in the ground and could then determine what piece of equipment was parked overhead. This activity has shifted ...