CELL PHONES SENSITIVE TO MIDAS-TOUCH PRE-PROGRAMMED TAG CARDS

Many cell phone manufacturers, notably Samsung, HTC, and Sony, have joined the fray in the push for Near-Field Communications for their phones. Aside from just tapping a phone with a card with a pre-programmed tag to call home with the most maximum volume of ring tone possible, what are the other possible conveniences which can be opened up with this new innovation called Near-Field Communications?
