A new type of business marketing is on the rise: social marketing, in which consumers take a more active role in the messages they receive. Another feature of social marketing is that it allows the customer greater interaction with the business, fostering a sense of community and a feeling of "ownership." Social marketing makes use [...]

Apparently, podcasting is growing:
According to FeedBurner, the number of podcast and videocast feeds managed by the Chicago-based broadcast aggregator grew from 1,671 in January 2005 to 53,571 in May 2006 — exceeding the number of radio stations in the world.
In the same timeframe, subscribers to FeedBurner-managed podcasts and videocasts grew from 21,491 to almost 3.2 [...]

Because podcasting is so very new, part of podcast marketing means podcast eduation.
To determine the best way to market your podcast you may have to keep that in mind.  Of course, you may have a particularly savvy group of listeners, so this may not be the case, but I would guess that even premier tech [...]

Just lately I’ve been spending more and more money advertising with Adwords. I’m a big believer in Adwords spending, if done using specific targeting. The ROI is great if you choose action-specific keywords.
So, as I like to promote my own business podcast, I’d be interested in the possibility of an adwords campaign for a business [...]

So you want some podcast exposure?  One man thinks he has the answer:
How’s it work? Simple - you send us $5 and three lines of text. We’ll speak those three lines during the show somewhere and you’re guaranteed that show will be downloaded at least 500 times in the first 30 days.The three lines of [...]

Podbridge, a new advertising/sponsor site for podcasters hopes to become THE place to go for ads in podcasts.
From their (beautiful) site:
Advertisers:More than 42 million iPod™ consumers put on-demand audio in the media mainstream. Don’t be left behind - target, measure and reach them with Podbridge.
Podbridge’s VC comes from Mayfield Fund and Worldview Technology Partners.  

But it’s not easy, Wired reports:
One of the biggest challenges, says Bourquin, is that most potential sponsors don’t even know what a podcast is. "I’ve learned not to go in and say, ‘We have a podcast and you should advertise,’ because their eyes will glaze over," said Bourquin. "Instead, say, ‘We’ve got this online radio [...]