Imagine you're walking by your local cafe, and you get a notification on your phone that you'll get a free bagel if you buy a cup of coffee. You walk inside, and make the purchase with your credit card — no need to take out your phone again. The bagel rings up as "free," and you get a notification from your bank confirming you've received the discount. All of this payments and loyalty interchange can happen over the cloud. A lot of companies are trying to get their arms around mobile payments. Many of them, trying to make your phone itself act as the credit card. Google with Wallet, Square, PayPal, American Express, everybody who's experimenting with NFC. read more..