Mobile payments. We hear the phrase thrown around all the time, but what does it mean? Do you tap your phone on a sensor and magically pay for your coffee? Or do you attach some kind of doohickey to an iPad and have someone swipe a credit card through it? Or do you scan a QR code via a mobile app at Starbucks and get your grande, light-foam, triple-shot, low-fat, two-pumps-hazelnut cappuccino? The following infographic has you covered.