Internet ad revenue moved up 21 points in 2003 to a cool $7.3 billion according to the IAB.

Keyword search led the charge accounting for more than 1/3 of revenues. Other ad types included:

- Classified ad revenue - 17%
- Rich media - 8%
- Display advertising - 21%

Who did all the spending?

- Brand advertisers - 37% (Retail 41%)
- Computer industry - 20%
- Financial services - 12%

Read more at AdWeek