In August 2018, Chinese company ByteDance merged its short-video app TikTok with Musical.ly, creating a global platform that would redefine social media. TikTok's innovation was its algorithm: rather than showing content from people you follow, it served an endless, personalized feed from anyone — making virality democratic and unpredictable. A teenager in Iowa could reach 50 million viewers overnight. The format — short, vertical, music-driven videos — proved irresistible, especially to Gen Z. By 2023, TikTok had over 1 billion monthly users and had forced every competitor (Instagram Reels, YouTube Shorts) to copy its format. It also became a geopolitical flashpoint, with the U.S. government attempting to ban it over data security concerns related to Chinese ownership.
TikTok Goes Global and Reshapes Content
TikTok merged with Musical.ly and launched globally, introducing algorithmic short-form video that captured a generation and disrupted every media industry.
Historical Context
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