Out of home (OOH) advertising revenue rose 4.7 percent in the second quarter of 2018 compared to the previous year, accounting for $2.49 billion, based on figures released by the Outdoor Advertising Association of America (OAAA). Year-to-date 2018 the OOH industry is up 3.6 percent, fueled by the highest quarterly growth the industry has experienced since Q4 2015.
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