I am not convinced that facebook's advertising can ever be as effective as adsense. In fact, i think these numbers represent the revenues from game developers switching to facebook credits (facebook made it mandatory in july, but most developers started earlier).
That measure makes no sense for evaluating the effectiveness of any auction driven ad platform (from the platforms viewpoint), as the price is solely determined by the advertisers. Obviously someone is getting an effective ROI at the current prices, otherwise the prices would fall.
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I am not convinced that facebook's advertising can ever be as effective as adsense. In fact, i think these numbers represent the revenues from game developers switching to facebook credits (facebook made it mandatory in july, but most developers started earlier).
How are you defining effectiveness in this context ?
return of investment? my experiments show that facebook ads are only good for advertising facebook games.
That measure makes no sense for evaluating the effectiveness of any auction driven ad platform (from the platforms viewpoint), as the price is solely determined by the advertisers. Obviously someone is getting an effective ROI at the current prices, otherwise the prices would fall.