Cellphones as Credit Cards? Americans Must Wait (Published 2009)A wave of a cellphone replaces the swipe of a credit card in a pilot program involving MasterCard PayPass, right. At left, a phone is used to pay for items at a Tokyo candy stand. Account information can be embedded in the phone.Credit...Itsuo Inouye/Associated Press, left IMAGINE a technology that lets you pay for products just by waving your cellphone over a reader. The technology exists, and, i
