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 Do you know these three personal finance sayings? The History of Currency Currency has been around for a long time. Here’s a quick history lesson. Doubling Your Money This calculator demonstrates the power of compound interest.