Wal-Mart (NYSE:WMT) is expanding an online shopping program that allows in-store pickup at lockers. This comes after much success by Amazon.com (NASDAQ:AMZN) offering two-day shipping with its Prime service and shows some willingness by the retail industry to adjust to consumer behavior. Is this a one-off move or a trend other retailers will follow? The Fool's Erin Miller sat down with Travis Hoium to find out. 

Erin Miller has no position in any stocks mentioned. Travis Hoium is short shares of Amazon.com. The Motley Fool recommends Amazon.com. The Motley Fool owns shares of Amazon.com. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.