AI concluded that 265,000 people joined the protest on July 1, while organisers said 550,000 people marched and the police estimated it was 190,000.

Inside China Tech

How AI counts accurate crowd numbers in Hong Kong protests

Zen Soo digs into the big tech stories being talked about inside and outside of China, bringing essential background, context and analysis to the news of the week. Joining her are SCMP reporters based in Hong Kong and the tech centres of mainland China. Brought to you by the South China Morning Post.

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