A lot of companies already practice this new age technology like CNN and ESPN. A person who watches either one or both, who can not be around a television, can automatically put their podcast on there iPod and watch it whenever they have a chance. This is great for companies and the PR practitioner. Being able to get information and keep your customers happy is essential to the success of the company.
If you want to learn the in and outs of Podcast visit http://www.commoncraft.com/podcasting. This site, Commoncraft, also explains RSS feeds, social media, twitter, blogs, social bookmarking (delicious). It is a great site that breaks things down to a simple format.