How do phones offering NFC work?
Do they become the card or something?
This is suppose to be a really nice tech. ...
UsesEmerging NFC standards allow customers to quickly purchase products and transfer secure information by touching devices. NFC allows companies to reduce staffing, printing, and point of sale costs. Globally, 100 million people use mobile payment outside the U.S., but only 3.5 million use the technology in the U.S.[6]
[edit] Social networkingNFC simplifies and expands Social networking options:
File Sharing: Tap one NFC device to another to instantly share a contact, photo, song, application, video, or website link.[7]
Electronic business card: Tap one NFC device to another to instantly share electronic business cards or resumes.[8][9]
Electronic money: To pay a friend, you could tap the devices and enter the amount of the payment.
Mobile gaming: Tap one NFC device to another to enter a multiplayer game.[7][10]
Friend-to-friend: You could touch NFC devices together to Facebook friend each other or share a resume or to "check-in" at a location.[11]
[edit] Bluetooth and WiFi ConnectionsNFC can be used to initiate higher speed wireless connections for expanded content sharing.[12]
Bluetooth: Instant Bluetooth Pairing can save searching, waiting, and entering codes. Touch the NFC devices together for instant pairing.[7][12]
WiFi: Instant WiFi Configuration can configure a device to a WiFi network automatically. Tap an NFC device to an NFC enabled router.[12]
[edit] eCommerceNFC expands eCommerce opportunities, increases transaction speed and accuracy, while reducing staffing requirements. A Personal identification number (PIN) is usually only requried for payments over $100 (in Australia).[8]
Mobile payment: An NFC device may make a payment like a credit card by touching a payment terminal at checkout or a vending machine when a PIN is entered.[8][7][13]
PayPal: PayPal may start a commercial NFC service in the second half of 2011.[14][15]
Google Wallet is an Android app that stores virtual versions of your credit cards for use at checkout when a PIN is used.[13]
Ticketing: Tap an NFC device to purchase rail, metro, airline, movie, concert, or event tickets. A PIN is required.[8][16][17]
Boarding pass: A NFC device may act as a boarding pass, reducing check-in delays and staffing requirements.[8]
Point of Sale: Tap an SmartPoster tag to see information, listen to an audio clip, watch a video, or see a movie trailer.[11][12]
Coupons: Tapping an NFC tag on a retail display or SmartPoster may give the user a coupon for the product.[11][12]
Tour guide: Tap a passive NFC tag for information or an audio or video presentation at a museum, monument, or retail display (much like a QR Code).[7][11]
[edit] Identity documentsNFC's short range helps keep encrypted identity documents private.[12]
ID card: An NFC enabled device can also act as an encrypted student, employee, or personal ID card or medical ID card.[12]
Keycard: An NFC enabled device may serve as car, house, and office keys.[12]
Rental Car and hotel keys: NFC rental car or hotel room keys may allow fast VIP check-in and reduce staffing requirements.[