Nihon Kotsu as the "Prince of Taxis." The company was founded as a sole proprietorship in 1928 and reorganized as a stock company in December 1945. It began as a limousine operator and expanded to taxi service in 1940. NK operates the most popular taxi hailing mobile application in Japan, Japan Taxi. Toyota invested 500 million yen in the app in 2017, followed by a second 7.5 billion investment in 2018. Tokyo Musen, a major rival of Nihon Kotsu in the Tokyo area, joined the app later that year in an effort to counterbalance foreign rivals such as Uber and Didi Chuxing.
17 (app) 17 (app) 17 is a live video streaming mobile app designed by Taiwanese pop singer Jeffery Huang, which features instant photo and video sharing functions. Client apps are available for iOS and Android smartphone systems. It was first launched in App Store on 5 June 2015, and sooner in Play Store on 10 June 2015. The app was re-released on 28 October 2015 after being banned due to prohibited content. The app gained popularity and became one of the most popular live streaming app in Taiwan, Malaysia, Hong Kong, Singapore and Japan with approximately 700 thousand daily active users. 17