The video-sharing app by the Chinese-owned Bytedance, the world's most valuable startup, has a younger audience than Facebook, an algorithm that learns you, and different ideas about free speech.

"TikTok wasn’t created by Stanford students Mark Zuckerberg could buy off or spend into the ground. It’s a subsidiary of a Beijing startup, Bytedance Ltd., that’s built a collection of valuable apps in China powered by vast troves of data and sophisticated artificial intelligence. Last year, Bytedance’s investors valued the company at $75 billion, the most of any startup in the world...

The video-sharing app by the Chinese-owned Bytedance, the world's most valuable startup, has a younger audience than Facebook, an algorithm that learns you, and different ideas about free speech.

"TikTok wasn’t created by Stanford students Mark Zuckerberg could buy off or spend into the ground. It’s a subsidiary of a Beijing startup, Bytedance Ltd., that’s built a collection of valuable apps in China powered by vast troves of data and sophisticated artificial intelligence. Last year, Bytedance’s investors valued the company at $75 billion, the most of any startup in the world...