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Module 1 Checkpoint — Obsidian + IA locale : Second cerveau privé

Module 1: Why Obsidian + AI? — Understand the privacy and ownership advantages of building a local AI-powered second brain.

What file format does Obsidian use to store your notes?
Markdown / Plain Text — It is a universal, future-proof format.
Which of the following best describes an Obsidian Vault?
A local folder on your computer containing your text files. — It lives directly on your hard drive.
What is the primary advantage of storing notes locally rather than in the cloud?
You have absolute ownership and privacy of your data without vendor lock-in. — It protects against companies shutting down or changing policies.