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The SODA. CAKA is not only a mobile phone using in the public place with eco-material (fiber paper), but also a new way of mobile selling, one can find the SODA CAKA everywhere like airports, malls or even automatic selling machines etc., (break apart like buying a disposable shampoo). The only thing one should do is just insert SIM card and turn on the phone with synchronizing the contacts form cloud services.
Hong Kong Polytechnic University
Hong Kong, Hong Kong SAR China