抄録
Ubiquitous computing society will help us to expand our ability and knowledge quantity, but the security and the privacy issues will supposedly occur. This experiment with Ubiquitous device such as GPS and mobile phone investigate the future possibility of the technology, and at the same time the social morality and compliance as well. According to the data of the experiment, we could find out that the traceability is quite effective for marketing, but is hard to protect the individual privacies
