Amazon just cranked up the speed on online shopping with the launch of Amazon Now , a new service designed to drop off essentials in about 30 minutes. It quietly flipped the switch in parts of Seattle and Philadelphia, marking its boldest move yet into the instant delivery game. We’re talking thousands of items – milk, eggs, chargers, cold medicine – delivered almost instantly. Prime members get a break with fees starting at $3.99, but if you aren’t a member, you&rsquo
