6) Content of digital books can be interactive ie it can be added to various software solutions, videos, tables, quizzes, polls, which allow the user to interaction and better understanding of the content.
7) Because of the low cost production and distribution of digital books has made publishing and book publishing possible and ordinary people as in the case of printed books, and the control of the publisher,state and could not be
1)May be incompatible with the new hardware and software (eg books in Flash or Microsoft Silverlight.).
2)Requires attention in handling and storing documents to avoid losing data.