TOKYO/BEIJING -- ByteDance, the Chinese startup behind hugely popular video-sharing app TikTok, has become the world's most valuable unicorn -- or privately owned company worth $1 billion or more.
Chinese developer behind popular 15-second video app valued at $75bn

Chinese video-sharing app TikTok, or Douyin, feeds users a stream of 15-second amateur videos of dance or musical performances and more.
TOKYO/BEIJING -- ByteDance, the Chinese startup behind hugely popular video-sharing app TikTok, has become the world's most valuable unicorn -- or privately owned company worth $1 billion or more.