In an announcement this week, Amazon introduced a new feature called Add to Delivery. Instead of placing a whole new order when you want to order something else, the company explains, you can now use ...

Here's how it works: when browsing Amazon's mobile app or website, eligible items will show a big, bright blue Add to ...

You can easily pre-order items on Amazon, like video games, and order not-yet-released items in advance.

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