What was an e-book? be more specific
An e-book is a digitized text file that can store and transmit text, pictures, audio, video, and other information. Unlike traditional paper books, e-books could be accessed and read anytime and anywhere through the Internet or other digital devices. The production of an e-book generally included the following steps: Choose a programming language and development environment to write an e-book engine. 2. Design the structure of the e-book, including page structure, layout, font, color, etc. 3. Write an e-book engine to achieve reading, searching, sorting and other functions. 4. Embed audio, video, and other multi-media information into the e-book. 5. Testing and optimization to ensure the quality and compatibility of the e-book. The advantages of e-books included: 1. Portability: E-books can store a large amount of text and pictures, and they are light and easy to carry. 2. Saving resources: The production and distribution of e-books can save paper and other natural resources. 3. Price: The price of e-books is usually more affordable than paper books. 4. Tailability: The e-book can be customized according to the user's needs, such as adding tags, annotations, pictures, etc. The disadvantages of e-books included: 1. Poor reading experience: The page layout and font of e-books are often not as comfortable as paper books. 2. Difficulty in storing multi-media information: e-books require audio, video, and other multi-media information to be embedded in the e-book, otherwise it is difficult to store and transmit. 3. copyright issues: the production and distribution of e-books involves copyright issues and needs to comply with relevant laws and regulations.