Walmart is developing robot carts to do the shopping for you | consumer psychology | Scoop.it
From www.dailymail.co.uk - June 17, 2016 2:06 AM

"Wal-Mart is said to be developing 'driverless' carts that find the items on your shopping list for you. The American retailer sees this technology as a way to compete with Amazon and other online retailers ..."