http://nytimes.com/2009/02/15/business/15ping.html
Which helps better understand Google's recent decisions. Of particular interest is this one:
Google Exits Radio but Will Explore Online Streaming Audio
http://google-tmads.blogspot.com/2009/02/google-exits-radio-but-will-explore.html
"[... ] So we have decided to exit the broadcast radio business and focus our efforts in online streaming audio. [...] Instead we will use our technology to develop Internet-based solutions that will deliver relevant ads for online streaming audio. We are dedicating a team of people at Google to explore how we can best add value for advertisers, broadcasters and listeners in this emerging advertising space [...]"
The products affected:
http://google.com/audioads
http://google.com/radioautomation
(as well as the old SS32 and Maestro)