The traditional shopping cart is getting a radical, high-tech makeover. Major supermarket chains across the country are now rolling out “smart carts.” These are shopping carts that are equipped with cameras, sensors, and a large touchscreen. The most popular feature of these carts is the ability to scan your own items and to pay directly on the cart, allowing you to skip the checkout line completely. Here is how six of the biggest players in the industry are using this new technology.
