Employee advocacy is a key strategy in social media optimization, encouraging employees to promote their brand on personal social media channels, which enhances brand visibility and trust. Effective employee advocacy relies on cultivating a positive work environment, providing training, and recognizing advocates, while also addressing challenges such as fear of misrepresentation and content relevance. Successful examples from companies like IBM, Dell, and Starbucks demonstrate the potential of well-executed employee advocacy programs in driving engagement and business growth.