NFC, or Near Field Communication, is a technology that allows devices to communicate wirelessly when they are very close to each other, usually within a few centimeters. This makes it easy to share information, make payments, or connect devices simply by tapping them together. Many smartphones and smartwatches use NFC for contactless payments, allowing users to pay for items just by holding their device near a payment terminal. NFC is also used in smart cards, access control systems, and public transportation systems, making it convenient for users to access services quickly. With NFC, sharing photos, links, or even pairing Bluetooth devices can be done effortlessly, enhancing everyday interactions with technology.