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RFID (Radio Frequency Identification):
RFID technologies offer practical benefits to almost anyone who needs to keep track of physical assets. Manufacturers improve supply-chain planning and execution by incorporating RFID technologies. Retailers use RFID to control theft, increase efficiency in their supply chains, and improve demand planning. Pharmaceutical manufacturers use RFID systems to combat the counterfeit drug trade and reduce errors in filling prescriptions. Machine shops track their tools with RFID to avoid misplacing tools and to track which tools touched a piece of work. RFID-enabled smart cards help control perimeter access to buildings. And in the last a few years, owing in large part to Wal-Mart and DoD mandates, many major retail chains and consumer goods manufacturers have begun testing pallet- and case-level merchandise tagging to improve management of shipments to customers.

Applications
RFID can be implemented in business for three main reasons: security that allows an asset to pass through a checkpoint, regulatory compliance that allows a device to capture information about an asset (such as the Food and Drug Administration) and tracking that monitors the location of a specific asset. 

Healthcare RFID
RFID in the healthcare space allows you to:

• Reduce manual processes with data capture
• Track pharmaceutical drugs
• Improve patient safety by tagging patients
• Track lab samples
• Track infant (baby protection) 

Access Control
Access control applications are RFID systems used to selectively grant access to certain areas for example, RFID tags attached to an automobile or held in a person's hand as a card, key chain, or wristband may allow access to a road, building, or secure area.

Pallet and Carton Tracking
One of the most commonly mentioned forms of RFID, pallet and carton tracking, essentially puts a "license plate" on a shipping unit made up of one or more individual items.

Smart Shelf
A smart shelf system is a set of shelves or some other container (such as a refrigerator), that constantly keeps track of the individual items it contains. If an item is removed or added, the shelf immediately updates the inventory. By tying the identity of an item to its attributes, such as expiration date or lot number, a system using smart shelves can immediately locate all expired products and products from a certain lot. An example of a smart shelf system is a system that contains indicators such as horns or lights that warn users if a product has been removed from refrigeration for too long and should therefore be discarded. Similarly, if the user removes two drugs at the same time that are known to interact negatively, the system signals a warning.