Search accounts for 47% of US online ad spend

"Online advertising had a record fourth quarter in 2009 following a bleak first nine months of the year.
In the fourth quarter, internet advertising grew 2.6% to a record $6.3 billion, compared to the same quarter a year earlier. Meanwhile, total media ad revenue slipped by 2% in the fourth quarter, according to a report from the Interactive Advertising Bureau and PricewaterhouseCoopers.
For the year, internet advertising fell 3.4%, to $22.66 billion, from $23.4 billion in 2008, the first year of decline since 2002, when online ad spend fell 16%.
By Format
Search made up 47% of 2009 internet ad revenue - up from 45% in 2008 - and ad spending increased 1% to $10.7 billion for the year. Display ad spending grew 4% for the year, to $8 billion. Digital video ad spending soared 38%, to $1 billion.
Classified ad spending plunged 29% to $2.3 billion in 2009, while ad spending on lead generation fell 14% to $1.5 billion.
Email ad revenue slipped 28%, to $292 million.
Though internet ad spending was down 3.4% for the year, that compares favorably with the 12.3% decline of ad spending across all media in 2009 (per Kantar Media)."
Source: Interactive Advertising Bureau (IAB) and PricewaterhouseCoopers (PwC), reported by MarketingVox, 8th April 2010