I advising clients under long term retainer in 2002 that Apple would likely put credit cards on a new music device they had called—iPod using NFC technology. These clients profited to an astounding level. In 2010 this patent made it obvious (image): http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&p=1&u=/netahtml/PTO/srchnum.html&r=1&f=G&l=50&d=PG01&s1=20100174599.PGNR …. https://twitter.com/BrianRoemmele/status/1185936966866440192 …pic.twitter.com/CsHSRtuV0N