Since my first blog post on educational podcasting almost 8 years ago, podcasting and more specifically educational podcasting has become mainstream. At the core of the podcasting experience is the idea of creating a series of audio episodes with the intent of educating, entertaining, starting a discussion around a particular topic, raising awareness, or simply for establishing a communicative channel with a target audience which could be your students, fellow teachers and colleagues or the general Internet audience.
Although not fully microlecture, podcasts are for those times when visuals won't add anything to the lesson. So, check out a few of these tools for your podcasts or some carry over to upping the production value of your microlectures.