Radio frequency identification, or RFID, is a generic term for technologies that use radio waves to automatically identify people or objects. There are several methods of identification, but the most common is to store a serial number that identifies a person or...
RFID is not necessarily “better” than bar codes. The two are different technologies and have different applications, which sometimes overlap. The big difference between the two is bar codes are line-of-sight technology. That is, a scanner has to...
RFID is a proven technology that’s been around since at least the 1970s. Up to now, it’s been too expensive and too limited to be practical for many commercial applications. But if tags can be made cheaply enough, they can solve many of the problems...
All technologies take time to reach a level of maturity at which standards exist, uses of the technology and its benefits are well understood, systems do what users need them to do and early adopters prove the solutions work. Bar codes were invented in the 1950s. The...