advertisement is the process of publicising a product or service by drawing peoples attention to the product
Commercial advertising
seeks to sell a product or service ; for this purpose , a variety of techniques are used
Some advertizers try to fix their product through constant repetition
Some advertisers of products like toothpastes and cooking oil take preference of doctors and dentiists to make consumers believe that their product is a healthy choiceSome advertisers use celebreties to recommend their product