Interesting piece:

5. As the way people consume media changes, book publishers are realizing they are content creation and rights management companies and not just book publishers. Many of them are now playing in the app market, educational technology market and other areas they likely wouldn’t have dreamed of a decade ago. To that end, book publisher Houghton Mifflin Harcourt recently capitalized by going public in November. The company is seen as more of an educational company and less as a book publisher by Wall Street. In fact, one-time trade publisher Wiley has almost completely transformed itself into an education and technology company partially through a series of divestments and acquisitions.

via Get Ready For More Mergers And Acquisitions In Book Publishing – Forbes.