2008年5月16日、ヤフーとWPPのグループM、24/7リアルメディア、WPPデジタルが戦略提携を発表。WPPの広告会社がディスプレイ広告を効率的に購買できるようになるという。分かりづらいので米英の専門ジャーナルの記事を列記しておく。
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WPP'S 24/7 Real Media to Partner With Yahoo's Right Media
http://adage.com/digital/article?article_id=127152
Yahoo! Pacts With WPP Group
http://www.adweek.com/aw/content_display/news/digital/e3iddf6bb69274592b76124c9b69b7b5995
WPP and Yahoo! form digital trading partnership
http://www.brandrepublic.com/Digital/News/809888/WPP-Yahoo-form-digital-trading-partnership/
Yahoo and WPP Announce Ad Sales Tie-up
http://www.clickz.com/3629532
Yahoo, WPP Partner To Buy, Sell Rich Media More Efficiently
http://publications.mediapost.com/index.cfm?fuseaction=Articles.showArticleHomePage&art_aid=82740
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WPP'S 24/7 Real Media to Partner With Yahoo's Right Media
http://adage.com/digital/article?article_id=127152
Yahoo! Pacts With WPP Group
http://www.adweek.com/aw/content_display/news/digital/e3iddf6bb69274592b76124c9b69b7b5995
WPP and Yahoo! form digital trading partnership
http://www.brandrepublic.com/Digital/News/809888/WPP-Yahoo-form-digital-trading-partnership/
Yahoo and WPP Announce Ad Sales Tie-up
http://www.clickz.com/3629532
Yahoo, WPP Partner To Buy, Sell Rich Media More Efficiently
http://publications.mediapost.com/index.cfm?fuseaction=Articles.showArticleHomePage&art_aid=82740
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