In E-Books, publishers have rivals: news sites

Book publishers are surrounded by hungry new competitors: Amazon, with its steadily growing imprints; authors who publish their own e-books; online start-ups like The Atavist and Byliner. Now they have to contend with another group elbowing into their territory: news organizations. Swiftly and at little cost, newspapers, magazines and sites like The Huffington Post are hunting for revenue by publishing their own version of e-books, either using brand-new content or repurposing material that they may have given away free in the past. And by making e-books that are usually shorter, cheaper to buy and more quickly produced than the typical book, they are redefining what an e-book is - and who gets to publish it - NY Times