Robots Taking Over Grocery Warehouses

Grocery stores in the U.S. are locked in a fierce battle for customers who often demand the convenience of home deliveries. Automation is increasingly becoming part of the competitive equation. When U.S. mail-order retail giant Amazon shook up the supermarket industry with its purchase of Whole Foods, America's second biggest food retailer, Kroger, responded by partnering with a British online supermarket known for its advanced warehouse technology. VOA’s George Putic reports.