Social media video content includes any short- or long-form visual content created to inform, persuade, or entertain audiences on platforms like TikTok, Instagram Reels, YouTube, and LinkedIn. Recent analyses show video now represents the largest share of social traffic and consistently outperforms static posts for engagement and conversions, so a focused social media video strategy is essential for growth. In this guide, we explain how video expands reach and emotional impact, which platform formats to prioritize, the trends shaping social media videos, and how to measure ROI with clear KPIs and analytics workflows.