Social media platforms exert considerable influence on public opinion through algorithms that tailor content to user preferences, creating echo chambers. This personalized content can shape perceptions and attitudes, impacting societal issues from politics to social movements. Viral trends often prompt rapid shifts in opinion, as user engagement and sharing amplify messages. Furthermore, social media can serve as a tool for activism, allowing marginalized voices to gain visibility. However, the prevalence of misinformation can distort public perceptions, leading to polarized views. Awareness and critical thinking are essential while navigating social media's impact on public sentiment.