RFID and NFC have similarities and differences at both the physical and application layers. While RFID has a longer range, NFC allows two-way communication between devices in close proximity. Using both RFID and NFC together can provide businesses with new opportunities for customer engagement, analytics, and increased ROI through hardware, software, customer retention, and new revenue streams. The document discusses how various RFID and NFC hardware options can be leveraged together in a retail environment.