There are a couple of other points worth considering here. Ebooks represent a shift from a culture of scarcity to a culture of abundance. In the past, publishing required a great deal of time and energy and resources for production. Books and magazines and newspapers needed a whole industry of typesetters, editors, designers, and ultimately publishers who would decide if a book was worthy of that effort. But ebooks can be published by anyone who can figure out how to use a computer.
The result is that the librarian is being removed from the library. In the past, a great library was the result of librarians functioning as guardians of culture, tending and caring, selecting and recommending works that maintained and nurtured a cultural heritage.
Today, with the growing phenomenon of self-publishing, especially in ebook form, anyone can walk into that same library and shove his book onto the shelf between Sartre and Shakespeare, between Dickens and Disch, between Heinlein and Hugo, and claim the credibility of publication.
Legendary science fiction author David Gerrold.