August 11, 2026A woman walks down a grocery store aisle while counting on her fingers to keep track of items. Understanding how retail media networks influence store promotions and perks can help you navigate changing prices and find the best values on your favorite brands. Modern grocery chains generate billions of dollars through digital advertising ecosystems known as retail media networks. These platforms allow consumer packaged goods manufacturers to buy prominent digital shelf space and targeted promotions. Understanding how media networks operate explains why specific grocery items receive aggressive discounts while others do not.