Amazon's new convenience store has no cash registers and no checkout lines

Amazon.com Inc. has built a convenience store that deploys a gaggle of technologies to allow shoppers to come in, grab items and walk out without going through a register. The 1,800-square-foot store in downtown Seattle, officially dubbed Amazon Go, is the latest foray in bricks-and-mortar retail by the e-commerce giant, which already has bookstores (including one in San Diego) and is working on drive-through grocery locations. It's a sign that Seattle-based Amazon sees a big opportunity in revolutionizing the traditions of Main Street commerce. In the much longer term, if the experiment works out and is adopted widely, it could radically transform the nature of work in the retail industry, much like self-driving car and truck technology threatens to upend transportation. The Bureau of Labor Statistics said in a report this year that cashiers were the second-largest occupation, with 3.5 million employed in the U.S. The Amazon Go store is open to Amazon employees participating in a testing program.