A few media. A few media.

These media can often directly affect consumers' buying behavior, promote sales, make up for and cooperate with mass media communication activities, and meet the overall needs of consumers. Sometimes they can also be collectively referred to as promotional media. Minority media are also divided into "narrow media" and "one-on-one media". Narrow media include outdoor media, point-of-sale media and traffic media, and one-to-one media are mainly advertising media such as direct mail and telephone.