Electronic data-commerce methods and electronic data-commerce system

An electronic data-commerce system that purchaser electronic data whose copyright is protected (intangible form) can be data movement for a fee without leaving a copy, the system the electronic data received regular price than at low cost to other consumers to resell. Arouse consumer market awareness by the resale system, with double track the reduction of the copyright owner can build a business structure that is based on the market principle of competition, there is also the possibility of lowering the price of electronic data, electronic data-commerce promote the expansion of the market.