This document discusses programmatic digital out of home (pDOOH) advertising. It defines pDOOH as using automation and data to find audiences and display ads on digital out of home screens. Programmatic allows for automated planning, reporting, optimization based on real-time data, and flexible ad execution. Benefits of pDOOH include increased reach, online activations, and foot traffic. Bespoke DOOH DSPs are built specifically for pDOOH, while omnichannel DSPs can incorporate pDOOH into cross-channel campaigns using retargeting and proximity triggers across devices. Trends suggest bespoke DSPs will drive competition while omnichannel DSPs build better planning tools, and pDO