『Ultimate Long Tail? 』
Amazon to sell online book by chapter or even by page. Isn't it the ultimate long tail ?米アマゾンが章別、ページ別にオンライン本を切り売り。これぞ究極のLongTail?CNETの記事はこちら Over time I have been wondering the "optimum" length of a book, and for that matter, the price of it. Historically, it has been rather arbitrarily determined by physical constraints such shelf space (OK, but also by habitual inertia). Now it seems more and more the length of a song, an album, a concert, a movie, an article, a lecture, and any other kind of entertainment/ educational medium will follow the law of the long tail, as they are digitized. That is, shorer in length and negligibly low in price as much as possible. See also this and this and this.