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In Japan, where mobile phone technology has advanced to the point where, for instance, restaurant customers can check the freshness and quality of fish on their plates (via an accompanying machine-readable 2D barcode certificate), mobile phone technology provides convenience and information in many other areas for consumers. Because of some societal challenges that have emerged with Japan's wide and extensive use of mobile phones, says Takashi Yamakawa of NTT DoCoMo, it is now important to analyse the influence and impact of mobile phones on society from a number of different perspectives. Therefore, the DoCoMo Mobile Society Research Institute (MSRI) program has many research programs, one of which is the attempt to establish the best level of copyright protection on mobile phone distributed content. Programs focus on, for instance, the relationship of children to mobile phones and clarification of social problems arising at the nexus where children use mobile phones and where there is a high social risk. Among topics covered are the market maturity and penetration of 3G, activities by 3G users, data ARPUs of Japanese mobile businesses, ticketing and phones, supplier support, and use of QR (quick response) bar coding schemes.
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