dMarc Founders No Longer At Google at paidContent.org reports that the founders of dMarc have left Google due to differences of opinion and remuneration. Chad and Ryan Steelberg bios), the founders of dMarc Broadcasting, sold the company to Google on January 17, 2006 for $102 million in cash and with potential to earn up to $1.13 billion extra. But recent reports suggest that the most they would make would be less than $200 million. In addition, there are reports that Google and the founders of dMarc did not see eye to eye on how the how to handle the ad sales.
Postscript: The New York Times ran an article on this over the weekend named Google Encounters Hurdles in Selling Radio Advertising.