A new message flooding protocol for ad-hoc social community sharing real-time market information

For realizing convincing daily shopping, collecting useful market information is very important. Generally, useful market information for shopper relies heavily on time and place in addition to the person's interest. Then, we have considered a new SNS sharing useful market information among shoppers by using smart phone. In this paper, we report an overview of proposed SNS and propose its new communication protocol for exchanging information among shoppers who do not know someone each other. Results of computer simulation confirm that our proposed communication protocols can exchange market information according to the variance of shopper's needs, adaptively.