A podcast is simply an audio file you can listen to on a computer or MP3-type player, often distributed via RSS or iTunes. Podcasts are generally 5 - 30 minutes long, with longer podcast downloads becoming popular.
Define the theme of the podcast and stick to it Establish a release schedule listeners can expect: weekly, biweekly, monthly, etc. Be consistent Focus your podcast content on topics of interest to your audience. Integrate with your blog to gain listener insights