Your phone has NFC tag reader because Near Field Communication (NFC) technology is becoming more popular as an easy and convenient way of exchanging data between devices, making payments, and accessing information. NFC is a wireless technology that allows two NFC-enabled devices, such as smartphones, to establish a connection when placed in close proximity with each other. It enables rapid and effortless communication between two devices, making it an ideal technology for contactless payments, ticketing, and access control. Your phone's NFC tag reader enables it to read and write data to NFC tags, which are small chips that can store information such as website links, contact details, and payment information. Overall, the NFC tag reader on your phone enables you to access a variety of services and features commonly available in today's world.