Paid search grew most of all online advertising in 2004 – 34%; trend is expected to continue over next 5 years.
Spending: $8.4 billion in 2004, projected $16.1 billion in 2009.
One in seven will click on a paid listing (6 on organic)
According to SEMPO: 2004 $4 billion spent on search marketing – 81.8% on search marketing, 12% to SEO, 4.4% on PFI.