This research project delves into the theoretical underpinnings of promoting goods and services through social networks. It aims to provide a comprehensive analysis of the key concepts, models, and frameworks that govern the effectiveness of promotional activities in digital environments. The project explores various aspects, including consumer behavior, marketing strategies, and the specific characteristics of different social media platforms. It investigates how to leverage social media to the fullest extent, including the use of targeted advertising, influencer marketing, and content creation. The project further examines the impact of promotional campaigns on brand awareness, customer engagement, and ultimately, sales and revenue generation. It focuses on the evolving landscape of digital marketing and its implications for businesses of all sizes, ensuring that the theoretical framework is applicable in practical settings. By examining the current models and best practices, the research will offer insights and recommendations for optimizing the effectivness of promotional techniques, providing concrete support for the real-life application and understanding of social media marketing in 2024.