Dear Sir, Your words about advertisement are very important. Advertising is the only means of conveying the benefits of the product to the consumer. Through advertising, the demand for the product increases and the business of the company increases. Currently, advertising is based on social media platforms. Now the advertisement of the product reaches the people very easily. Looking at your Samsung mobile ad, I understand that it is very high configuration. The mobile price is very low in your country. I always use Samsung mobile. You wrote very well. Wish you success.