The current emphasis by big marketers is great news for sites about food, cars or anything else people want to buy.
Many big marketers want to be able to find customers online just as they do through direct mail.
But some big marketers are willing to pay more for the exposure.
The big marketers want to see some evidence that what they are buying is effective.
Nationally, about 25 big marketers and hundreds of smaller ones are active.
Three big national marketers are introducing advertising that is significantly different from their previous efforts.
Credit card companies are currently the biggest marketers on campus.
They want to be the big marketers in a smaller number of areas.
Three big marketers have made decisions on accounts with combined spending estimated at almost $500 million.
The government itself was the biggest marketer, in the form of materials it created to tempt buyers.