Martin Agency's wireless communications company, Alltel turned to "in-stream online video (InVideo) ads on Google Display Network for great results in Q3 2009 and found that auction model allowed efficient placements for these ads. It found that InVideo ads provided great results and allowed prime placement on content such as TV shows on YouTube, movies on crackle.com, clips on aetv.com, and games from Zynga at 50% of cost-per-thousand-impressions (CPM) offered by other online video networks.
As a result of the campaign, Alltel generated a large volume of clicks at 50% of the cost of other online video providers. Additionally, Alltel drove a high clickthrough rate of nearly 2%, surpassing its initial goal of an industry average of 0.1%," stated Google.
More Info: InVideo ad campaigns