

Sounding Off
Not every mobile phone has an NFC chip, but every phone has a microphone and companies like Alipay and shopkick have

Digital 1D Bar Codes

Twitter Payments
Smartphones and tablets are rapidly becoming the dominant devices used for social media. Though the concept of

Time is Money
Watch2Pay offers a wristwatch that enables contactless payments by embedding a

Payments on the Radar
Using the location-based capabilities of smartphones, PayPal and Square allow their mobile-wallet users to pay by checking in at merchant locations with an app that

Flipping the Script
Many mobile wallets ask the consumer to present a QR code to the merchant for redemption. But in Brazil, PicPay is flipping the model by making the consumer

Cant Touch This
The now-defunct Pay By Touch let consumers authorize grocery purchases by

Person-to-Person
Person-to-person payments have been slow to take off, largely due to

Say Cheese!
Why type in a 16-digital credit card number when you can use a smartphone camera

Augmented Reality
The next pioneering mobile pay tech










