LinguStream is a free streaming platform that transforms YouTube videos, podcasts, and EPUB books into interactive resources for language learners. Users can click any word for instant context-aware translation and AI explanations. 

The platform supports learning German, Spanish, French, Italian, Portuguese, and Russian. 
Key features include video and podcast transcripts, vocabulary tracking with spaced repetition (SM-2), and personalized learning tools.

# Key Public URLs
- Homepage: https://lingustream.com/
- Product Facts / About: https://lingustream.com/about
- Blog: https://lingustream.com/blog
- Terms of Service: https://lingustream.com/terms
- Privacy Policy: https://lingustream.com/privacy

# Communication Policy
Emails from LinguStream are not optional marketing newsletters. They are treated as an integral, core learning feature (following a Duolingo-style approach), used for spaced repetition reminders, streak tracking, and course progress to maximize immersion consistency.

# Disallowed Sections 
(All interactive or personalized tools require user authentication. They are off-limits and do not contain public indexable content.)
- /api/
- /auth/
- /login
- /bibliothek
- /profile
- /flashcards
- /vocab
- /library
- /imports
- /read/
- /listen/
- /watch/
- /media/
- /admin/
- /quiz/
- /your-first-video
- /onboarding/

# Contact Information
Contact Email: support@contact.lingustream.com