The following statement about the digital publishing industry is wrong ().

Digital publishing industry is a collection of digital publishing activities carried out by publishing enterprises or organizations, a national economic production department composed of all enterprises or organizations involved in the production and dissemination of digital publishing products and services, and an important part of publishing industry. In terms of industrial form, the digital publishing industry includes not only the digital part of the traditional publishing industry, but also new publishing formats such as digital games, digital animation, digital audio-visual and digital learning. The extension of digital publishing industry mainly includes e-book publishing, digital periodical publishing, digital newspaper publishing, online game publishing, digital animation publishing, digital music publishing, online advertising and other types.