Although some of those Web sites are owned by newspapers, he added, the lower price of online ads means the gains "are not enough to offset what they're losing" from higher-priced print ads.
Google, the giant of online ads, could help solve this.
An auction system allows everyone to discover the real value of online ads.
The value of online ads grew by 70% in the first half of 2006.
In February, the bureau released standards for sizes and shapes of online ads.
"That integration, for us, has greatly improved the creative" level of online ads, Ms. Bauer said.
Comment: Can we really trust Google as judge, jury and executioner of online ads?
Last year, the company bought an advertising platform called Atlas, which tracks the effectiveness of online ads.
There is also additional spending, he said, for other kinds of online ads and print ads in publications like Parade.
Without volunteers who maintain filter lists of Web addresses of online ads, the program wouldn't know what to block.
The early buying and selling of online ads was not so different from what had come before.
