Affiliation: | 1. Department of Journalism and Communication, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, Republic of Korea;2. Economics & Management Research Institute, KT Corporation, 178 Sejong-daero, Jongno-gu, Seoul, Republic of Korea;3. Department of Telecommunication, College of Journalism and Communications, 3063 Weimer, University of Florida, Gainesville, FL 32611, United States |