This document discusses changes in the display advertising industry. It notes that while exchange-based buying is growing, it still accounts for a small portion of the overall display ad market. It also outlines several trends in the industry including the rise of video/social advertising and private exchanges, and brands' increasing demands around metrics, inventory quality, and integrated solutions from vendors. The document concludes that further consolidation in the industry is inevitable as vendors seek to meet these evolving demands from brands and marketers.