I'm sure Danny will have more to say later but I thought I would point out that the Interactive Advertising Bureau/PricewaterhouseCoopers Internet Advertising Revenue Report with 2004 revenues was released today. Zachary Rodgers takes a look in this Clickz article.
Search marketers continued their stampede. Annual revenue in this category leapt from 35 to 40 percent of the overall spend. On a dollar basis, search revenues were up more than half to $3.9 billion.
This press releases from the IAB has much more along with a few tables that break the numbers out by:
+ Ad Format
+ Ad Categories
+ Pricing Model
Want more? No problem. The full text of the report is available here. It's loaded with charts and tables.