Rakuten corporate executive Hiroshi Mikitani doesn't turn away from risks

His $5.5 billion bets are his biggest one to date: a startup employing new technology to disrupt the nation’s entrenched, three-party mobile marketplace. Rakuten desires to create a new medium network in Japan in as very little as 0.5 the time and at a price of up to four-hundredth but what it'd want to build a standard system. The new service, Rakuten Mobile, aims to draw in regarding ten million customers over 9 years—and 15 ....