AOL Time Warner is beefing up its infrastructure with Hewlett-Packard servers and workstations -- in return for millions of dollars in online advertising inventory.

Network upfront activity has kicked into a slightly higher gear.

Advertisers say "pop-under" ads are effective and a popular new trend. But Greg Searle became so frustrated by this new method, he was moved to write a lengthy post to the RISKS mailing list.

AOL Time Warner, the world's largest Internet and media company, said on that Wednesday advertising revenue was stabilizing, brushing off gloom about the state of advertising spending and sending its shares higher.

Content delivery firm Loudeye is getting into the streaming media ad business, snapping up privately-owned technology player Addition Systems.

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Insiders say some of the bigger publishing houses aren't too happy with the restructuring of the IAB, especially its fees, which might have led to the new group.

In a throwback to car advertisements of two decades ago, Honda Motor Co., Toyota Motor Corp., and Volkswagen AG are all using, or planning to use, messages that emphasize how far their vehicles can run on a tank of gasoline.

Research house Jupiter MMXI said Monday market woes led it to cut online advertising growth forecasts this year to 12% in global spending compared with the previous estimate of 47%.

Bombarded by media messages since they were born, consumers 21 to 25 years old are a particularly difficult group for advertisers to reach. But as these begin to spend money, they are also much sought after by marketers, who are looking for ways to understand them better.