The profitability of podcasting heading into 2007 also remains more a matter of potential than reality. In July 2006, Nielsen Analytics released a report called “The Economics of Podcasting,” which reported that 6% of U.S. adults (9 million Web users) had downloaded podcasts in the past 30 days. Almost 4 in 10, or 38%, of those downloaders said they listened to traditional radio less because of podcasting. The most successful podcasts were garnering as many as two million downloads a month. Those numbers make podcasts an attractive outlet to advertisers. With the medium still in its infancy, a few podcasts are already starting to generate income. National Public Radio has been actively attracting sponsors on its podcasts. Will it work? That is less clear. According to the Nielsen survey, 60% of survey respondents said that they “always” fast - forward past commercials»

fonte: The State of the News Media 2007