We've all done it. Listening in on another person's conversation has been an obsession for many people ever since the days of our earliest forefathers. Back then, of course, the most we could normally do was to press an ear against an opening in the door or wall to catch a few snippets of information. Sound quality was poor. Audio logging technologies make it easier and much more reliable to engage in these types of listening activities. This white paper provides a brief overview of the audio recording market; describes some of the enabling technologies; and offers a glimpse into some of the emerging trends helping to shape the future course for application developers.