Several models of Vizio smart TVs at a Walmart Supercenter in West Sacramento, California. 4 billion in 2027, according to forecasts made by WARC in its new report called “Future of Commerce Media 2026. The category remains one of the fastest-growing areas of advertising, but WARC said its expansion is cooling toward single digits. 8 percent, the lowest year-over rate recorded by WARC since it began tracking the market. By contrast, retail media is expected to account for 15 percent of technology and electronics ad spending in 2027, down from 16.