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O aplicativo Tianyancha mostra que, recentemente, a Robô Transporte (Zigong) Tecnologia Co., Ltd. foi estabelecida, com Bi Ran como representante legal e capital registrado de 1 milhão de yuans. O escopo de negócios inclui desenvolvimento de software, serviços de sistemas de computadores, serviços de dados de internet, processamento e armazenamento de dados, desenvolvimento de software de aplicativos de inteligência artificial e desenvolvimento de software básico de inteligência artificial, sendo totalmente controlada pela Robô Transporte (Pequim) Tecnologia Co., Ltd., empresa afiliada à Robô Rápido.

Swiss researchers found that large models like GPT-4 can infer users' private information such as age, gender, and income from Reddit posts. GPT-4 achieved over 60% accuracy in predicting this information on the Personal Reddit dataset, especially for gender and birthplace. As model scale increases, GPT-4's accuracy in attribute inference improves significantly. The authors successfully extracted user information with a comparable accuracy to GPT-4 through simulated chatbot experiments. Experts point out that identifying and removing personal data from large models is nearly impossible, highlighting the need for privacy protection measures.