The most popular location based mobile platform Foursquare announced that they are experimenting with NFC with NFC Android phones on Google I/O. People with the latest Android Foursquare application will be able to check in Google’s event if they have an an Android device with NFC chip.
The photo is quite self explanatory. I personally think that this is the great use case for non-payment NFC applications. However as the post also mentions, there is still a long way to go.