Free: The Future of a Radical Price is the second book written by Chris Anderson, editor-in-chief of Wired magazine.

It examines the rise of pricing models which give products and services to customers for free, often as a strategy for attracting users and up-selling some of them to a premium level.

That class of model has become widely referred to as "freemium" and has become very popular for a variety of digital products and services.

[1] Anderson responded to the claim on his The Long Tail blog, stating that there were disagreements between him and the publisher over accurate citation of Wikipedia due to the changing nature of its content, leading him to integrate footnotes into the text.

[3] Despite the controversy, the $29.99 hard copy version of Free debuted at #12 on the New York Times Best Seller List.