Information: Let us say that by 2025, bookstores are fully obsolete; and printed paper books are just a tiny, niche industry. In 2025, consumers consume books online almost exclusively.

Now consider the state of the book publishing industry in 2025, after the transition to the e-book model is complete. What is the new structure of the industry? How has the power of each of porter's five forces changed? How has the profitability of the focal industry (i.e., publishing industry) changed as a result of these changes?