He writes on his website Kirkville, and is Senior Contributor to Macworld, where he is The iTunes Guy. He is also a regular contributor to TidBITS, as well as several other web sites and magazines. He is co-host of The Committed podcast. Kirk has written more than twenty books, including Take Control of iTunes. And he runs Kirk’s iTunes Forum. On Twitter, he’s @mcelhearn, and he has a Facebook page.