Innovation and Competitive Advantage: Commoditization of Digital Devices Kiyotaka Sakakibara? Susumu Kayama? Kentaro Nonomiya? Munihiko Ito? Koichi Morita? Hiroshi Fuki? Junjiro Shintaku? Koichi Ogawa? Tetsuo Yoshimoto; Atsushi Ogasawara_03 ‐ Mercari: Shop from Japan