The e-commerce giant has launched a new feature on its app called "Add to Delivery," a button that allows customers to add additional items to a delivery for an order that has already been placed.

As the company works to expand quick delivery services, Prime members can now add new items to existing orders.

Amazon's new "Add to today's delivery" button makes it easier for Prime members to buy more and tack on items to existing ...

Amazon Grocery, Amazon’s newest private label grocery brand, offers more than 1,000 food products, most of them priced under ...