Walmart, the largest retailer in the United States, said on Jan. 5, that it will hire more than 3,000 U.S. delivery drivers to support the expansion of its “InHome” system, part of its “Last-Mile” delivery service to 30 million households. The InHome system allows deliverymen wearing a monitoring camera to enter a customer’s home to deliver groceries and other purchases or to pick up returns, even when the customer is not there. The driver uses a one-time access code to unlock the customers’ doors or garages through an app that pairs with a “smart” entry lock. Employees will be outfitted with protective coverings over their shoes and surfaces touched by the worker will be wiped down and sanitized before departure. Each delivery can be viewed live or as a recording on a customer’s Walmart app. “Now you’ve got this ultimate convenience where you get home, the refrigerator is restocked and other …