Advertising practitioners face many challenges in the form of rapidly changing technology, increased competition, and shortage of resources, changing economic conditions, inflation, and unemployment. Advertising is essential to the conduct of business firm as well as service organization. Advertising is comprehensive in scope, contemporary in outlook and managerial in orientation. Advertising helps to pre sale to customers i.e. to arouse their buying desire in advance. Advertising is most efficiently used with personal selling or point of purchase display. Non business enterprises have profitably used advertising e. g. family planning, recruitment in the army, water preservation, pollution control and physical fitness. Advertising pays for entertainment and educational aspects of contemporary as well as reduces product cost. For example, increase in the number of units sold stimulates economies in the production process and lowers production cost, making goods within reach of common men.