Mobile phone industry in Japan other email services have also introduced "emoji" that can be sent and received from mobile handsets as well as computers. Mobile phone industry in Japan The Japanese mobile phone industry is one of the most advanced in the world. As of July 31, 2013 there were 139,180,300 mobile phones in use in Japan. This is 110 percent of Japan's total population according to the Ministry of Internal Affairs and Communications. In Japanese, are often referred to as simply or for short. There are four cellular service operators in Japan. Willcom is the last PHS Personal Handy-phone System service operator. DoCoMo
Mobile phone overuse or electronic devices while driving. The significant number of injuries and accidents from distracted driving can be contributed at least partially to mobile phone overuse. There is currently no national ban on texting while driving, but many states have implemented laws to try to prevent these accidents. German psychotherapist and online addiction expert Bert te Wildt recommends using tools such as Offtime and Menthal to help prevent mobile phone overuse. Many smartphone addiction activists (such as Tristan Harris) recommend turning one's phone screen to grayscale mode, which helps reduce time spent on mobile phones by making them boring to look