It can improve the customer experience if ads are done in the right way and we also want to make sure that we don't do anything that causes our prices to go up in our retail business.

The stores are an asset, and they have a great assortment in them and they're close to people. Being within 10 miles of 90% of America is a huge advantage, especially with fresh food at a good price. But we must also, if you think long-term and you think about what the company wants to accomplish, you must have a big and important first-party e-commerce business, and you must have a marketplace, and the things that go along with the marketplace.

So growing ecommerce in the marketplace is key to being able to attract more advertisers. What we can do that some other people can't do is we can connect the dot between an ad you may have paid for digitally and a subsequent purchase in a physical store so that you can see the ad actually worked. So it too is an omni business for us.

Customers want to save money and time and have the broadest assortment of items, and we think that by bringing e-commerce and digital capabilities together with the stores, we can do things that a pure e-commerce player can't.

I think that people that shop Walmart frequently and love the brand the most find it very natural to come to us first for e-commerce. But for others that may shop around or not have chosen to shop at Walmart in the past, you get what you earn, and our opportunity to earn their business starts with winning their grocery and consumables basket.

One of the technology leaders, a few years ago, was visiting with me here and we were writing on the whiteboard and they stopped and turned around and looked at me and said, "Oh my God, you're going to win." And I said, "Yeah, but why?". "Now, tell me how".