According to latest information from the Interactive Advertising Bureau, online ad spending has posted record results for the fourth consecutive year. PricewaterhouseCoopers calculates the total U.S. 2007 revenues at $21.2 billion, 26% year-over-year increase.
Search continues to lead with a 41% online ad-revenue share. Display advertising, which is heavily visual and often uses stock, has come in second at 34%.
Consumer advertisers and financial-services companies are the largest spenders, accounting for a respective 55% and 15% of online revenues. Retail advertising accounts for approximately half of all consumer-targeted ad revenue.
The full IAB Internet Advertising Revenue Report is available online.