Audio is a great way to communicate. Very rich, all kinds of subtle things happen that don't in the written word, and are Too Hard in video. Here are some thoughts on how podcasting is a great way to reach a community, even inside your own company. Very subversive too — kinda like email, it “flows around obstructions.”
Heck, there's even Moody Scott blues tune to put you in the mood. Who could ask for more? 9.5 mBytes
Listen to it as a stream (starts playing immediately, doesn't stay on your machine when it's done)