Pay Vendors With Your Phone: Square Card Case Frees you of Credit Cards

Next time you visit your favorite local spot, open the Card Case app on your phone and start a tab. When it's time to pay, just say your name. The tab you opened will show up on the register to finalize the sale.

David Prager goes on a quest to buy a coffee without ever taking out his wallet.

Next time you visit your favorite local spot, open the Card Case app on your phone and start a tab. When it's time to pay, just say your name. The tab you opened will show up on the register to finalize the sale. You're good to go. A digital receipt is automatically sent to you, with the option to tip at your leisure.

Learn more about Card Case here.