Nothing is certain about advertising on the Net.
The number of hits an ad gets, its design, and placement on the page are all bones of contention between the powers that be. Now, analysts cannot even agree on how much money is being spent. Two Factors Predict Textbook Sales Forecast, November 1997 Two Factors Predict Textbook Sales by Bill Stoneman Public-school enrollment in the U.S. will break records every year through 2006, when it will reach 54.6 million students, according to the Center for Education Statistics. A coalition of broadcast related equipment manufacturers, supplies, and services providers centrally located on the web for easy access.