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Daniel Singer is the editor of StartupHub.ai, a technology expert and thought leader on AI and its applications across sectors, from fintech and healthcare to developer tooling and consumer software. He writes and tests the tools covered here thoroughly and regularly, and built StartupHub.ai to give founders, operators and buyers a clearer read on what they are actually being sold.
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OpenAI upgrades ChatGPT with GPT-5.5 Instant, boosting accuracy, personalization, and user control over AI memory.

Bloomberg Surveillance explores the market impact of AI and geopolitical factors like Iran's role, discussing resilience and investment trends.