This video provides an in-depth analysis of a complete growth strategy for starting social media from scratch in 2025, featuring practical experience shared by a senior creator with millions of followers. The video systematically explains the latest changes in platform algorithms – even accounts with zero followers can achieve millions of impressions with high-quality content, with the core being watch time rather than follower count. The author meticulously breaks down the entire process methodology, from content testing, platform selection, keyword optimization, to team building, with a special emphasis on the efficient strategy of testing content on X first, then distributing it to other platforms. The video also reveals advanced techniques such as using Answer the Public to mine trending topics, leveraging AI tools for batch content generation, and building an email list to mitigate algorithm risks, offering a directly replicable action guide for creators aiming to rapidly gain followers on platforms like Instagram, TikTok, and YouTube.