イーマーケッターによると、世界のデジタル広告費の3割以上、およびモバイル広告費の5割以上は、グーグルによるもの。
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Google Takes Home Half of Worldwide Mobile Internet Ad Revenues
http://www.emarketer.com/Article/Google-Takes-Home-Half-of-Worldwide-Mobile-Internet-Ad-Revenues/1009966
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アメリカの市場は次の通り。
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Major Players Consolidate Share in US Mobile Ad Market
http://www.emarketer.com/Article/Major-Players-Consolidate-Share-US-Mobile-Ad-Market/1009967
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------------------------------
Google Takes Home Half of Worldwide Mobile Internet Ad Revenues
http://www.emarketer.com/Article/Google-Takes-Home-Half-of-Worldwide-Mobile-Internet-Ad-Revenues/1009966
------------------------------
アメリカの市場は次の通り。
------------------------------
Major Players Consolidate Share in US Mobile Ad Market
http://www.emarketer.com/Article/Major-Players-Consolidate-Share-US-Mobile-Ad-Market/1009967
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