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Reality Defender raises $15M for text, video, image detection deepfakes

Reality Defender, one of several startups developing tools to detect deepfakes and other AI-generated content, raised $15 million in a Series A funding round led by DCVC, Comcast Ventures, Ex/ante, Parameter Ventures, and Nat Friedman’s AI Grant. Co-founder and CEO Ben Colman plans to double Reality Defender’s 23-person team next …

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Microsoft-affiliated research finds GTP-4 flaws

Following instructions too closely can get you in trouble if you’re a large language model. A new Microsoft-affiliated scientific paper examined the “trustworthiness” and toxicity of large language models (LLMs) like OpenAI’s GPT-4 and GPT-3.5. The co-authors suggest that GPT-4 may be more susceptible to “jailbreaking” prompts that bypass the …

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After 50 Years, Mathematician Solved Möbius Mystery

One-sided Möbius strips are fun geometric shapes. A strip of paper has a front and back. Twist and glue the short edges. Suddenly, no front or back. You could draw a line across its surface without lifting the pencil. Mathematicians proposed the minimum strip size 46 years ago but couldn’t …

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Asia offers hope amid the crypto winter

At Token2049, it was hard to tell the crypto industry was in “winter” mode. The September crypto conference in Singapore drew an unprecedented 20,000 attendees, who visited hundreds of side events across the city to avoid the expensive main event ticket. While the government’s actions against FTX, Ripple, Binance, and …

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Autonomous vehicle arm of Didi raises $149M from state investors

Was Didi’s 2020 autonomous vehicle subsidiary a Chinese equivalent to Uber’s? Since then, China’s tech landscape has changed, with internet firms regulated and foreign investments plummeting due to U.S.-China tensions. Despite Beijing’s data security probe into Didi’s parent company, its AV unit has survived and received new funding. Didi Autonomous …

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