79% of paid search money goes into 4 top categories

"Paid search spending in the US is highly concentrated, according to JupiterResearch. Just four categories (retail, financial services, media and entertainment and travel) accounted for 79% of the $2.6 bln spent on paid search in 2004. Each vertical provides a rich landscape of opportunity and a blueprint for how other categories will develop. "

[www.itfacts.biz]