I have updated it and the Fine Arts Committee here at The Ad Contrarian has made a little movie out of it.
Feel free to spread it around. (This video is now posted on YouTube here.)
Sources, in order:
3, Ad Age
4. Nielsen Cross Platform Report Q1 2011
6. Nielsen Cross Platform Report Q1 2011
7. Nielsen Cross Platform Report Q1 2011, http://today.duke.edu/2010/05/tivo.html
8. US Department of Commerce QUARTERLY RETAIL E-COMMERCE SALES 4th QUARTER 2011
9. Li, Hairong; Leckenby, John D. (2004). "Internet Advertising Formats and Effectiveness". Center for Interactive Advertising. And DoubleClick, Benchmark Report, 200910. Wistia, March 15, 2012
To all the web zealots who are going to flood me with hysterical emails and comments about the accuracy of this data, this is not my data. It comes from third parties who are respectable and reliable. I have annotated or provided links above. If you don't like their data, that's fine. Please write to them, not me.