Virtual simply means that there are no physical objects. \x0d\ Therefore, virtual goods refer to goods that have no physical attributes and cannot be selected by default for logistics transportation when published on the Internet. Virtual goods or virtual social services that can be traded in virtual currency or real currency. \x0d\ Commodities include physical commodities and virtual commodities, and virtual commodities include digital commodities and non-digital commodities. Virtual goods refer to digital products and services in the e-commerce market (specifically, digital products and services that can be used in the form of downloading or online), which are intangible in nature and can be bought and sold with virtual currency or real currency. Virtual goods mainly include computer software, stock quotes and financial information, news, books, magazines, music videos, TV programs, search, online games and some products in online services. \x0d\ Features \ x0d \ x0d \ Physical features of virtual items: \x0d\( 1) Virtual items are not easy to be destroyed; \x0d\(2) Virtual goods are typical experience products with high knowledge content, which provide consumers with useful knowledge and information, and their forms are invisible and cannot be observed and touched; \x0d\(3) The content can be changed; \x0d\(4) is replicable, and the marginal cost of replication is almost zero; \x0d\(5) has speed advantage. \x0d\ Economic characteristics of virtual goods: \x0d\( 1) Virtual goods are generally products with high sunk cost and low marginal cost; \x0d\(2) Non-exclusive; \x0d\(3) It is easy to customize and personalize, resulting in economies of scope in the virtual product market; \x0d\(4) timeliness; \x0d\(5) has network externalities (its value depends on the number of users who use virtual goods). \x0d\ Categories \ x0d \ At present, virtual goods mainly include the following categories: \x0d\ 1. Online game cards, online game equipment, QQ numbers, Q coins, etc. \x0d\2。 Mobile/Unicom/PHS recharge card; \x0d\3。 IP card /VoIP/ software serial number; \x0d\4。 Shop decoration/picture storage space, etc. \x0d\5。 E-books, network software (such as Android phone software, SKYPE language list software, etc. )\x0d\6。 Auxiliary forum function products and so on. \x0d\7。 Website products (including domain name, virtual space, website, search service, etc. )