Podcast advertising revenue is growing, but not as fast as the podcast audience, according to the latest research from ZenithOptimedia.

By 2011, podcast ad spending is expected to grow to $43 million — but that amount comes to less than 0.2% of projected revenue for the total online advertising space.

Will podcast advertising ever catch up with podcast adoption?

Online marketing research firm eMarketer released its latest report Wednesday, a study that indicates a growing number of Americans Internet users are publishing their own blogs, for a growing blog-reading audience. The cloyingly named The Blogosphere: A-Twitter with Activity, report indicates that the number of American Internet users making their own blogs is growing: 27.9 […]

For a gloomy start to the new work-week, digital marketing and media researcher/analysts eMarketer has an article this morning, detailing a bleak outlook for media around the world that rely on advertising revenues to get by. eMarketer looked at planned advertising spending, calling the spends “a barometer of economic confidence.” The company has examined at […]

Podcasting is going mainstream, at least according to eMarketer: Podcasting has evolved from an odd, funky blogging experiment into a broad medium with mainstream trappings. Today, the vast majority of the top-rated podcasts come from recognizable media entities that are using podcasts to expand their existing radio, TV, cable or satellite audiences. They peg the […]

Podcast network Wizzard Media announced today that they have archived over 118 million words using their proprietary “admatch” technology process. Of those, they have identified more than 10,000 words as keywords with potential significance to prospective advertisers. The database of keywords was populated by processing over 800,000 hours of audio and video programming available on […]

The US audience for podcasts will more than double in the next two years, growing from 6.5 million (active weekly downloaders) in 2007 to 14 million in 2009. According to a new report by eMarketer The total US podcast audience reached 18.5 million in 2007; The total audience will increase by 251% to 65 million […]