NFC Tags

An NFC tag is a wireless badge that sends data to your smart phone by a little microchip that can store little bits of information and a tiny arial sends the information to your smartphone. They can be used for google wallet witch means that you can pay for some thing at a shop by swiping his phone The NFC tags are being used in shopping centres to stop shoplifting. Almost anything can be transmitted such as website addresses and so on. There is a limit to the tags on the other hand, it can only be transmitted from a few centimetres away. The NFC tags can only transmit to smartphones which means no iphones can use it.

The good thing about NFC tags is that they have the ability to help prevent shoplifting.
A weakness is that it can only transmit a couple of centimetres away.