PURPOSE: A business model of a win-win-win system through incentives on the Internet is provided to effectively solve a problem of one person in a short time by making peoples of all standings/fields accessed in diverse angles, and offer win-win-win strategy for clients, information providers, and operators. CONSTITUTION: When a user wants to solve the problem, the user asks the problem by providing the incentive through voluntary services beforehand(204). The peoples of all standings/fields present solutions by recognizing the problem(212). To induce a better solution, a viewer estimates the solutions. An operator gives a reward to information provides and the viewers estimating the solutions.
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