With the coming of internet economy age,digital products are produced in quantity,which extends the range of products and changes the definition and characteristics of products in traditional market.

• 随着网络经济时代的到来,数字产品大量产生,它丰富了产品的内涵,改变了传统市场中产品的定义和特征。 有关数字产品的研究近年来引起了人们极大的兴趣与关注。