Ever needed some grocery, or maybe even food, delivered to you ASAP? Amazon's Prime Now has been fulfilling those cravings for more than a year now. But if you ever found yourself separate from your smartphone for one reason or another, you're out of luck. Until today, that is. Amazon has at long last given its Prime Now delivery service a home on the Web, allowing diligent Prime subscribers to order what they need from the comfort of their keyboard and mouse.