Buying and Selling Your Personal Data

YOU are the product. This is the not-so-secret wisdom that accompanies the inevitable question of how some online ventures can become profitable. Like the 20th century heyday of television and radio, countless online companies "broadcast" services upon the Internet for free, operating via investment capital and advertising partnerships. The former requires only the eventual return on investment, by any means, while the latter delivers a cut of the profits of active user...