DM advertising is direct mail advertising, that is, sending promotional items to consumers, homes or companies through mailings, gifts, etc. According to the above definitions, Which of the following are not DM advertisements:. ['Sunscreen lotion samples presented at cosmetics counters in department stores.', 'Commercial property leaflets distributed on crowded streets.', 'Coupon received from a large fast-food restaurant in an e-mail box.', 'Two free mobile phone foils when you buy a mobile phone at an electronics store.']