Online Ad Revenue
jasonschaeffer.net/2008/11/24/online-ad-revenue
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
IAB article reports: “that Q3 2008 online ad revenues were flat. The Q3 revenues of $5.9 billion were 2 percent higher than the Q2 2008 results. For the first nine months of 2008, revenues totaled $17.3 billion, up from $15.2 billion in the same period a year ago and surpassing the record set in the first nine months of 2007 by nearly 14 percent.”