Google decided to eliminated the video ads due to a poor rating. From the TechCrunch round-up below, it looks like Google is trying to streamline its AdSense products.
Implications - Google advertising projects are dropping like flies. Just one month after Google pulled the plug on print ad sales, they have given their radio ads the ace, hoping to sell its Radio Automation software business and redirect its focus. The poor ratings and disappearing business ventures are an indicator of the end of AdSense products from the company.