MoPub, a real-time bidding exchange for mobile advertising, recently published a report on their marketplace for the third quarter which shows some strong trends. The effective cost per thousand impressions (eCPM) was steady or rising across platforms through the last quarter. Android eCPM was rising much faster than for iOS. This is in sharp contrast to the rather dramatic decline in eCPM for smartphones between Q2 and Q3 evident in Opera’s reports, with Android falling faster than iOS.
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