Podcasting refers to the technology used to pull digital audio files from Web sites down to computers and devices such as MP3 players. Podcast is derived from the name of the iPod MP3 player from Apple, although you don't need an iPod to partake in podcasts.
Podcasting is a significant departure from traditional broadcasting because it removes the time requirement; you can listen to a podcast radio program or interview any time.
Think what audio books on tape did for the road warrior?turning our cars and airplane seats into mobile TAFE's. Podcasting has the same capacity to change the way we learn and take in new information.