You didn't think the price hike would stop at Macmillan, did you? In today's News Corp. earnings call, chairman Rupert Murdoch gave indication that his HarperCollins would also soon be changing its e-book prices with Amazon. As relayed by All Things D, the mogul has been unhappy with the $9.99 tier, that Apple's iBookstore "does allow some flexibility and higher prices," and here's the kicker: "And now Amazon is willing to sit down with us again and renegotiate." Nothing's changed yet, but we gotta imagine it's only a matter
