A free app may change the way we buy things. Square Wallet allows you to push a few buttons on your phone and pay for items wirelessly. It has several methods to pay. One uses your GPS to show you what businesses near you accept Square Wallet and you click on the word "pay" beside your business. You can even add a tip if need be. It can also show you where the nearby business are on a map interface. The app also keeps records of past transactions so you can reconcile your checkbook easily.
All you have to do is download the free app, link it to a bank account or credit/debit card and you are ready to roll.
Just search for "Square Wallet" on the iphone or Android market.
For more information check out their website HERE.