Channel One ad from 1998:

"We have the undivided attention of millions of teenagers for 12 minutes a day...8.1 million teenagers in classrooms nationwide watch Channel One's award winning daily news program. And since they're not channel surfing, talking on the phone or getting snacks from the kitchen, they're tuning in to the world and to you [the advertiser]." (qtd. p. 93-94)

(Farrell, James J. One Nation Under Goods: Malls and the Seductions of American Shopping. Washington: Smithsonian Books, 2003. Print.)