What are actual or main USES of marketing?

What are actual or main USES of marketing?? what its advantages in our life?

There are so many uses of marketing; all is depend upon the nature of business and product. Also the marketing strategy determines that how to continue marketing activities in the organization. Following are some main uses of marketing;

Information about the market

Information about Products

Information about Pricing in the Market

Information about Promotion in the Market

Information about Distribution in the Market