most evil let's com a smartphone apps. that biometric solutions to your own hand might replace your wallet a scanner authorize the payment and that's it businesses are picking up on the trend and offering more payment services facebook even announced its own app recently but which one is right for me. that might depend on where you live and what you plan to use it for. a bouquet of flowers without any cash to many it's already an ordinary part of daily life. let users pay quickly and easily there's a wide range of apps to choose from. you can get the wallets through your bank then it's basically an extension of your regular account on your smartphone. or other