IAB: 2011 Online Ad Spend Hit $31 Billion, as Display Trailed Search
Display failed to close the gap with search in 2011, according to the Interactive Advertising Bureau’s full-year ad spending report, released today (full report). Both categories grew dramatically during the year, but search spending clearly has the bigger head of steam, says the IAB and research partner PricewaterhouseCoopers. PwC estimates search revenues totaled $14.8 billion […]