dresen.overblog.com

Ebookanomics: The impact of marking a title free for several days

Before ebooks became common, handing out free copies of a new tome was expensive. Each had to be printed and shipped, often with a nice handwritten note from the publicist inside (I love those). These days, everyone can afford to share their book, as the marginal cost of distributing a book in digital form is zero.

http://tnw.to/j41H