Ad server market dominated by Google

Google accounts for a lion's share of the ad server market. However, it may come as a shock that Microsoft holds only the equivalent of a lion's paw. Attributor, a content-tracking company, analyzed ad server calls across 75 million domains in October. According to the data Attributor released this week, Google--through DoubleClick and AdSense--accounts for 56.5 percent market share.

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