It had to happen, due is a faster version of NFC to allow streaming of data.
Streaming audio to your music system using NFC, though why that would replace bluetooth I'm not sure. Maybe we are going to see NFC protocols automatically switched to bluetooth if the device goes out of range. I imagine this also enables transfering music to your mobile.
Displaying your photos and videos on the TV
and last but not least, printing who knows what from your phone