Wikipedia explains that NFC refers to RFID and RFID-like technology commonly used for contactless smart cards, mobile ticketing, and mobile payment systems.
“ Near Field Communication or NFC, is a short-range high frequency wireless communication technology which enables the exchange of data between devices over about a 10 centimeter (around 4 inches) distance.”
The next iphone is rumored to have something similar.
Support for NFC in popular smart phones could unleash lots of interesting applications, many of which have already been explored in research prototypes in labs around the world. One interesting possibility is that this could be used to allow android devices to share RDF queries and data with other devices.