This video explains RFID tags and QR Codes very well and is from the NetGenEd project and will help someone envision the kind of video made for this topic.
The reason why RFID is often called next-generation bar code is that the technology is more accurate, scanners can read more objects with less directional contact, and smaller chips can contain a larger quantity of information.
It's called "The Internet of Things" -- at least for now.
It's called "The Internet of Things" -- at least for now. It refers to an imminent world where physical objects and beings, as well as virtual data and environments, all live and interact with each other in the same space and time. In short, everything is interconnected.