미국 Podcasting 사용자는 2010년까지 6천만명에 - 연구자료

According to new forecasts from The Diffusion Group, a leading consumer technology research consultancy, demand for time-shifted digital audio files or "podcasts" is expected to grow from less than 15% of portable digital music player owners in 2004 to 75% by 2010. TDG's new report, "Podcasting: Fact, Fiction and Opportunity," suggests that between 2004 and 2010, the use of podcasting among U.S. consumers will enjoy a compound annual growth rate (CAGR) of 101%.