Perplexity is a topic tracked in our intelligence system with 5 linked articles.
Polar, an AI-first browser for knowledge workers founded by an ex-Perplexity/Comet engineer, raised a $5.7M seed round led by Madrona.
Open-letter backed by about two dozen firms including Meta, Microsoft, Nvidia and IBM urges US policymakers to protect open-weight AI models.
GPT-5’s router framework is being positioned as the bottleneck for monetizing free ChatGPT users via agentic purchasing and take-rate/affiliate revenue, leveraging a massive free-user base and a broad web-scale partner ecosystem.
AI-enabled browsers are redefining the browser wars, with a wave of new entrants offering AI copilots, privacy features, and monetization models that could reshape browser usage and data dynamics.
Letterboxd plans a December launch of a non-subscription movie rental feature with social discovery and curator-driven selection, while the piece also notes regulatory shifts affecting Bluesky around online safety laws.
Perplexity launches its Comet AI browser on Android with most desktop features (default search, tab-asks, voice across tabs, cross-tab summaries) and an in-built ad blocker, with iOS coming later and additional features planned.
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