A couple of top recommendations would include the IT Conversations: Business and IT Conversations: Marketing channels where you can listen to interviews with luminaries such like Mark Cuban, Clayton Christensen, and Jeff Bezos. Another podcast of a similar vein is the InfoTalk Podcast from Podtech.net which cover trends in technology and venture capital and has interviews with Adam Curry and Sandy Berger among others. If you're looking for a job, Parachute.com's Job Talk would be a good choice. And if you're simply interested in the business of podcasts, a couple of good podcasts to subscribe to include The Marketing Online Podcast and The Podcast Brothers Podcasts. All of the podcasts in our business section give you the opportunity to be more knowledgable and productive by simply listening.