This amazing series of infographics is best viewed full screen—click the Full Screen button under the presentation, it looks like this: 
For the fascinating story of how these infographics were created, see the article in Forbes. Hat tip to Cynthia White for pointing out the Forbes article to me.
JESS3 and Eloqua's Content Grid v2
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They are very blurry, even at full-screen. does a higher resolution copy exist?