In recent years, several companies announced SDcards adding NFC communication to smartphones: http://www.engadget.com/2010/03/16/first-data-and-tyfone-announce-partnership-for-nfc-payments-by-m/ http://www.digitimes.com/supply_chain_window/story.asp?datepublish=2011/06/27&pages=PR&seq=200 However, I cannot find any online store that would sell such a card. Any ideas, or did they all not make it to market?