NFC is technology used in oyster cards etc and can be used for location,data transfer and importantly micro payments .
The mobile phone is now not only to paraphrase Ray Kurzweil, "the gateway to all human knowledge but your wallet too
- Electronic ticketing — airline tickets, concert/event tickets, and others
- Electronic money
- Travel cards
- Identity documents
- Mobile commerce Electronic keys — car keys, house/office keys, hotel room keys, etc.