Facebook Is Dominating The Display Ad Market November 25, 2010 Per Made Facebook is dominating the U.S. display ad market, according to data from comScore. In Q3 2010, Facebook served 297 billion display ad impressions giving it 23% of the U.S. market for display ads. In the first quarter of 2009, it only had a 7% share. Yahoo came in a distant second place for Q3 2010 with 141 billion display ads and 11% of the market. From comScore and Business Insider.