请总结下两段科技新闻，保证每篇总结都不超过两句话，只保留最重要的信息：

新闻一：
2023年 quarterly tech meetings, world leaders and industry innovators gathered in Silicon Valley to discuss the future of artificial intelligence and robotics. The key topics included advancements in AI research, ethical considerations in AI development, and the role of robotics in modern manufacturing. Notable figures such as Dr. Jane Doe and Mr. John Smith, leading experts in their fields, presented cutting-edge research and innovations. Several groundbreaking AI projects were unveiled, promising to revolutionize various industries.

新闻二：
During a recent workshop on cybersecurity, experts from around the globe convened in London. The workshop focused on emerging threats and solutions in the digital landscape, including the rise of AI-powered cyber attacks and the need for more robust encryption methods. Speakers highlighted the importance of public-private partnerships in enhancing cybersecurity measures. The event concluded with a series of recommendations aimed at strengthening global cyber defenses.
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世界领导人和行业创新者在2023年硅谷季度科技会议上讨论了AI和机器人技术的未来，多个突破性AI项目亮相，有望革新多个行业。在伦敦举办的网络安全研讨会上，专家们聚焦新兴威胁和解决方案，强调了公私合作增强网络安全措施的重要性。
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