The design and evaluation of prototype eco-feedback displays for fixture-level water usage data. - Jon Froehlich; Leah Findlater; Marilyn Ostergren; Solai Ramanathan; Josh Peterson; Inness Wragg; Eric C. Larson; Fabia Fu; Mazhengmin Bai; Shwetak N. Patel; James A. Landay (CHI, 2012)