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Bite-sized book and podcast insights you can finish in 15 minutes

In-depth guides that help you actually master non-fiction

AI flashcards that turn note dumps and PDFs into addictive quiz sessions

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An open, AI-written encyclopedia built and fact-checked by Grok

Tencent's AI knowledge steward for searching, reading, writing, and managing your own knowledge base.

Turn books and any topic into personalized audio lessons

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A studio for your mind: object-based notes that stay connected

Turn any lecture, PDF, or video into notes, flashcards, and quizzes in minutes

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Turn research papers and articles into interactive summary flashcards

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Turn any material into notes, flashcards, quizzes, and podcasts.

AI agents that turn your own documents into summaries, mind maps and reports

Turn PDFs, videos, web pages and recordings into structured AI mind maps

The top AI news and how to apply it, in five minutes a day

An AI tutor that turns your PDFs, videos and lectures into notes, quizzes and conversations

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Turn lectures, meetings, PDFs and videos into structured notes, flashcards and quizzes

Turn any lecture, file, or video into notes, flashcards, and quizzes

Turn a prompt or document into a full online course

Turn videos and files into docs, courses, and AI-ready knowledge