This year 800 marketers, advertisers, and industry insiders came together to discuss the convergence of offline and online data in digital advertising. What is the role of offline data in the online world? How can marketers use technology and data to execute better targeting? What’s the future of retargeting? How is Facebook changing the ecosystem? How will new attribution techniques reshape the way campaigns are executed across channels? All of these questions and more were explored and discussed by top executives from the biggest players in ad technology.