Interesting infographic showing the breakdown by industry for 2011.
- Finance and insurance : $4.0 billion
- Retailers and general merchandise : $2.8 billion
- Travel and tourism : $2.4 billion
- Jobs and education : $2.2 billion
- Home and garden : $2.1 billion
- Computers and consumer electronics : $2.0 billion
- Vehicles : $2.0 billion
- Internet and telecom : $1.7 billion
- Business and industrial : $1.6 billion
- Occasions and gifts : $1.2 billion
View more
www.wired.com/epicenter/2012/01/google-ad-buyers-infographic/