Next time you’re at Walmart, peek under your cart—there’s a new white box hiding there! Shoppers are buzzing about it online, and it turns out it’s likely a security gadget that locks the wheels if you try to take the cart too far. With carts costing up to $1,000 each, Walmart’s not taking any chances on runaway carts. So, if you were planning to roll your groceries home, think again! Bonus: The new carts also have cup and phone holders, but some folks aren’t loving the taller handles. #Business #LocalBusiness #WalmartHacks