Technology, especially social media has affected our lives in many ways and is an important part of our daily lives, marketing is just one of the many things social media is used for, and this paper is about the effects and influence of social media in marketing. Many aspects of marketing such as digital selling, brand loyalty, marketing communication, and many other points will be explained while keeping in mind the impact of social media. Also, advantages and disadvantages will be listed in the paper and expanded in an understanding way.