News Corp. said it boosted its usual three-million-copy print run for the final News of the World in anticipation of wide demand, though a spokeswoman declined to reveal the exact print run and said it was less than some estimates of five million copies.

WSJ: British Tabloid News of the World Bids Farewell

Publishers balked at Amazon's strategy out of concern that low prices could cannibalize their print sales, set unrealistic expectations in the minds of consumers, and lead Amazon to demand e-book price concessions from publishers.

CNN: A dark day for the future of books