Measured by mobile ad traffic, it's still a two-smartphone race
Forget North and South. East and West. First World, Second World and Third.
In its Mobile Metrics Report for Dec. 2009, issued Thursday morning, AdMob surveys eight regions -- from North America to Oceania -- and finds some clear patterns:
However the numbers, as AdMob measures them, are trending in Apple's favor. Apple's share of requests in the AdMob network increased from 9% in Q4 2008 to 36% in Q4 2009 while Nokia's share declined from 33% in Q4 2008 to 18% in Q4 2009.
(Google's Android is also on the rise, climbing from 1% of smartphone traffic in Q4 2008 to 16% in Q4 2009.)
Below the fold: The world of smartphones, according to AdMob.
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[Follow Philip Elmer-DeWitt on Twitter @philiped]