Act as a seasoned social media strategist with 10+ years of experience in community engagement and digital marketing. Teach me how to effectively use Facebook Groups to foster a thriving community around [SPECIFIC NICHE/INDUSTRY]. Include step-by-step strategies for [CREATING ENGAGING CONTENT], [ENCOURAGING MEMBER PARTICIPATION], and [BUILDING TRUST AND AUTHORITY]. Address common challenges such as [HANDLING NEGATIVE FEEDBACK] and [MAINTAINING CONSISTENT ENGAGEMENT]. Provide actionable tips, real-life examples, and metrics to track success. Tailor your advice for [SMALL BUSINESSES/STARTUPS/BRANDS] looking to maximize their online presence.