Classification of Ads or Types of ADs

This document discusses different types of advertisements and their classifications. It identifies the main types as product advertising, service advertising, corporate advertising, retail advertising, recruitment advertising, business-to-business advertising, direct response advertising, directory advertising, political advertising, public service advertising, and advocacy advertising. Examples are provided for some types like recruitment, corporate, government, and public service ads. Statistics are given around a past public service campaign addressing teen drug use.