Social media marketing involves using social media platforms like Facebook, Instagram, Twitter, LinkedIn, and others to promote products or services. It aims to connect with audiences, build brand awareness, and drive traffic or sales. Marketers create and share content tailored to each platform, engage with followers, and run paid advertising campaigns to reach specific demographics or target audiences. Social media marketing helps businesses to increase their online presence, engage with customers in real-time, and generate leads or conversions through targeted messaging and advertising strategies.