When it comes to information transmission, what people thinks of above all is mobile phones or computers, but in the absence of cell phones and computers, information transfer by book or language transfer, but with the development of science and technology faster and faster, people have the abandonment of the original method of passing information. In the rapid development of science and technology today, cell phones and computers seems to have become the main way to information transmission, but these information tools, cannot leave the thing - display. If there is no display, people can't see the contents of the mobile phone or computer cannot know they are conveyed the message. In this era of electronic networks, the screen seems to have become a people, so one of the important tool of information transmission is slow people abandon the books information but also may encounter the problem such as damaged or text books can't see it clearly, but the screen is perfect to avoid these disadvantages, it is not only the information transmission is fast, and the writing is clear, and can convert language, can solve the problem of people of different regional language, great solved some of the major issues in information transfer. Not only in the common information transfer, some confidential information as it can do. Information seemed to be trapped in a maze, and display is the only export.

  Technology is widely used in the electronic age, cell phones and computers have become the mainstream of information communication, whether in the airport, railway stations, shopping malls, hospitals, schools, enterprises and even the army would use the screen, because the information transfer screen will appear, whether it's product marketing slogan, tips, information release, orders, or other aspects of information dissemination cannot leave the screen.

  The spread of the Internet age, the information will be display, the display is electronic books on the Internet.