Mapping socioeconomic indicators using social media advertising data Masoomali Fatehkia, Isabelle Tingzon, Ardie Orden, Stephanie Sy, Vedran Sekara, Manuel Garcia-Herranz and Ingmar Weber EPJ Data Sci., 9 1 (2020) 22 Published online: 29 July 2020 DOI: 10.1140/epjds/s13688-020-00235-w