The food marketing system is the largest user of national media advertising among all industries. Food manufacturers, retailers, and service companies spent $2.5 billion in 1978, more than twice the amount spent for automobile and gasoline advertising, the second largest user. In addition, another $3 billion was spent for' nonfood items (health and beauty aids, alcoholic beverages, smoking materials, and pet foods) largely sold in grocery stores. Ninety percent of the money spent for mass media advertising is for television. Other major types include newspapers, general interest magazines, newspaper supplements, network and spot radio,' and outdoor billboards.