Link: The future of terrestrial radio in the age of podcasts.

Another good link from Slate (below).

This is one of my favorite things to illustrate to the students in my radio class at FDU.

Consider: For $39,000 in annual electricity costs, Power 106’s broadcast tower can reach 15 million people in Southern California. There are no incremental charges involved—when an additional person tunes in, it doesn’t cost the station a dime. Not so on the Web. Each time you click a streaming radio channel, or download a podcast, it’s as though you’re making a collect call. Somebody’s paying to send all those data packets your way. The more people tune into a streaming broadcast, the more the broadcaster must spend on servers and bandwidth

via The future of terrestrial radio in the age of podcasts..