That price collapse could cause a more modest increase in Facebook's Q1 2012 overall revenue than the media are expecting. Go straight to the charts > For instance, Facebook's CPCâor cost-per-click on an adâfell from about 62 cents in October 2011 to about 45 cents in February 2012, in some territories. That's a price collapse of about 27 percent, according to data from AdParlor, which creates and
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