Mary Ann Piette is a Senior Scientist and Division Director at Lawrence Berkeley National Lab. Her work focuses on energy-using technologies and buildings as well as grid integration. Additionally, she runs the Demand Response Research Center, whose goal is to understand “what works,” in the field of Demand Response (DR). Mary Ann relieves the days of capturing data on 3x5 cards stored in a records room and reflects on how streaming services and automated control are revolutionizing the way DR is capturing and analyzing data--and how the technology is still accelerating.