Free

the long version

From Publishers Weekly - Starred Review. In the digital marketplace, the most effective price is no price at all, argues Anderson (The Long Tail). He illustrates how savvy businesses are raking it in with indirect routes from product to revenue with such models as cross-subsidies (giving away a DVR to sell cable service) and freemiums (offering Flickr for free while selling the superior FlickrPro to serious users). New media models have allowed successes like Obama's campaign billboards on Xbox