Despite a record-setting $6.3 billion fourth quarter, online advertising revenue declined 3.4 percent for the year from 2008, the first year-over-year falloff since 2002. The loss in ad spending across all media was an even steeper 12.3 percent for the year and 2 percent for the fourth quarter.

The Interactive Advertising Bureau and PricewaterhouseCoopers reported that search ads posted a slight rise from 2008, comprising 47 percent of all Internet ad spending.
 Display ad spending rose a similar amount, while digital video ads climbed 38 percent. Revenues for online classifieds and e-mail advertising plummeted. Although online advertising for 2009 declined slightly from 2008, it came in at $22.66 billion, the advertising bureau said. Meanwhile, ad sales at major magazines plunged to $19.5 billion, according to Publishers Information Bureau data.