eMarketer has published a report suggesting podcasting numbers will swell to 10M by 2010.  However, I think it’s a little early to forecast numbers of this magnitude that are to be reached in 4 years.
And, I really can’t judge the validity of the report because it’s almost $700 to download it.  If you’re so inclined, [...]

CBC Radio 3 has large plans, with their satellite radio station launched last month, but being, consistently, the number one rated podcast in Canada is telling. CBC Radio 3’s podcast boasts that 50% of their downloads are not even inside Canada.
The one-hour podcast is delivered weekly and features a diverse selection of Canadian music. [...]

Not counting free downloads, Apple’s highly successful music and podcatching software, iTunes, has hit another amazing launch number.  Remember, back in June the launch of their podcatching service, iTunes 4.9, brought them 1 million downloads in 2 days.
Now, reports are pouring in, most recently from Macworld UK, that iTunes has now sold 3 million videos.  [...]

While many expected to see the migration from audio podcasts to video happen very quickly, the increase in vidcasts has not be significant. 
When the first iTunes to support podcasts came out, 1 million downloads in 2 days set a record for the industry.  No such revolution with the video iPod to date.
However, a slower migration [...]