"NFC is the hot new thing when it comes to mobile technology. NFC, or Near Field Communication allows devices to communicate with each other over short distances... Of course mobile payments aren't the end all be all use of NFC technology. Foursquare has been experimenting with the technology for use in check-ins to locations. For instance, you could tap your phone to a sign or poster at a location and it would automatically check you in. It could even be used as a wireless key to your car, house or hotel room."
Excerpt from, "Is NFC Important For Your Small Business?" in Small Business Newz by Josh Wolford | Staff Writer