No Cash, No Checks, No Problem Peer-to-peer payment apps are one of the newest ways to send money. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Historical Inflation This calculator shows how inflation over the years has impacted purchasing power.