Wall Street Journal
Advertising: Yahoo to Track Impact of Internet Ads
By Aaron O. Patrick – December 2005
Yahoo! and MMA announce a new service that will help marketers improve their return on overall marketing investments by evaluating the offline sales impact of their online marketing programs. Yahoo! and MMA’s marketing ROI assessment model builds on an existing MMA model to include data from Yahoo! showing users’ exposure to online graphical and search advertising. Yahoo's deal with MMA highlights the Internet's emergence as a major advertising medium.
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