GREAT NEWS !!
Now you can have a paper page A4 print with all you want !!! but with 4 at 6 NFC chip inside !!
paper print 2 face, and chip are INVISIBLE !!!!
4 or 6 NFC chip are independent !!! you can attribute 4 or 6 actions !!
sell at the price of 5 euros the A4 sheet with 2 side print in color and 4 or 6 nfc chip ntag 215 with great memory !!
discover it : http://www.nfc-smartags.com/affiche-nfc/31-affiche-nfc.html