It includes a calculator for determining how much revenue, value per click, and return on investment marketers get from various kinds of mobile ad actions, such as clicks to call a business or even in-store visits.

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Revenue per search equals the click-through rate (CTR) multiplied by the cost per click (CPC).

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While display advertising revenue declined again this quarter, search advertising revenue increased marginally, driven by higher revenue per search and high click-through ratios.

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