Everything you need to know about TikTok, the app that’s suddenly everywhere on the internet

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If you’ve been online at all lately, you’ve probably seen a TikTok video. The short-form video app from Chinese tech company ByteDance was one of the most downloaded apps of 2018, and is currently the world’s most valuable startup, reportedly worth $75 billion. THINK spoke to The Atlantic staff writer Taylor Lorenz and a few TikTok creators to explore why the app has become so popular.