Amazon opened a new retail store in Seattle that carries only "4-Star" rated and above products. The store does not take cash, so customers will have to use Amazon's Go's cashier-less setup to purchases Amazons most highly rated products. On August 15, online retail giant Amazon.com opened what it calls a "4-star" store in South Lake Union. The 4,000 square-foot brick-and-mortar shop only contains products that are highly ranked at Amazon.com. Each product on sale there meets the following conditions: The average customer review on Amazon.com is 4.0 or greater. It is a top seller in a specific category. Amazon [...]