More Internet users are showing a willingness to pay for content online -- subscribing to news sites, for example, or paying fees to send e-greeting cards -- suggesting a shift in consumers' expectations that online services should be free. The growth in these categories suggests that businesses are beginning to figure out how to package their services in ways that appeal to consumers, and that consumers are overcoming the idea that content on the Internet should be free. "Slowly but surely, people are paying for content." WSJ publisher: One common theme among sites that are successfully charging for content is that they have created an audience eager to return for information or services on a frequent basis. A Shift Registers in Willingness to Pay for Internet Content | 
