We're almost at the day where you won't have to carry cash or a card to pay for goods and services. Surely you've used Square at a farmer's market, coffee shop, or bookstore, but the payment market is expanding to card-free areas of commerce. PayPal has announced a partnership with Revel Systems, a business that provides point-of-sale platforms that use an iPad to process payments.
While PayPal is currently pushing its own device, the Beacon, the company seems to understand its competitors have a bit o
