What is NFC?
NFC stand for Near field Communication which is next generation a wireless communication technology which allows users to simply wave or tap their phones over another NFC enabled device to exchange any desired information.

 This feature of NFC is  also used by shoppers to make payments through their mobile phones by simply bringing the phone within 10 cm of a hardware device used which is used for accounting. The technology makes use of electromagnetic radio fields to transfer data from your phone to the computer. All you have to do to transfer data is wave your phone in front of the store accountant’s computer. In order to work, both the devices involved in the data transfer need to be equipped with NFC.