It is happening through business and social exchanges among nations - as well as the dovetailing of practices within countries with the emerging international norms.

CNN: Toward One World

Vouchers enable point-of-sale impulse purchasing, loyalty schemes and consumer-to-consumer gifting while dovetailing with pay-as-you go, one of the most game-changing payment paradigms to hit the consumer market in the last decade.

ENGADGET: PayWizard offers more ways to pay for content on Samsung smart TVs