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> Musical.ly Inc. was founded by long time friends Alex Zhu and Luyu Yang in Shanghai, China

> Douyin was launched by ByteDance in Beijing, China in September 2016, originally under the name A.me, before rebranding to Douyin (抖音) in December 2016.

> The app was launched as TikTok in the international market in September 2017

> On 9 November 2017, TikTok's parent company, ByteDance, spent nearly $1 billion to purchase musical.ly, a startup headquartered in Shanghai with an overseas office in Santa Monica, California, U.S.