The assignment details how Alexander the Great Restaurant uses social media marketing as a cost-efficient platform to reach target customer groups. They utilize social media for engaging customers in business, sharing updated information, and influencing customers to visit the restaurant. The restaurant also uses social media campaigns to inform customers about products or services and develops understanding of customer needs and demands. Additionally, they use social media to provide quick responses to customer queries, increase website traffic, direct customers to their website, and make visual appeals to people for buying products or services.