Walmart Joins Amazon in Chase for Ad Dollars
Retail giant wants to sell more digital and store ads based on its shopper data
Walmart Inc., the world’s largest retailer, wants to become a big seller of advertisements too.
As Amazon.com Inc. expands its share of the online advertising market, Walmart is trying to entice suppliers and other marketers with its own ad space and access to shopper data.
Walmart has long offered companies like Unilever PLC, Kellogg Co....