This document discusses how technology is bringing buyers and sellers together in digital advertising. It provides examples of how programmatic advertising benefits publishers through increased revenue, market share, and efficiency. It also benefits agencies and marketers through improved ROI, access to brand-safe environments, and efficiency gains. Data is a key benefit for all parties. The rise of programmatic guaranteed and private marketplaces allows buyers and sellers to automate direct sales transactions. Overall, technology is creating a more efficient digital advertising marketplace.