Is Rosetta stone worth?

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Tags

  1. #crowdsourced
  2. #worth
  3. #offers
  4. #completely
  5. #teaches
  6. #words
  7. #lessons
  8. #languages
  9. #mainly
  10. #translations
  11. #gamification
  12. #rosetta
  13. #phrases
  14. #duolingo
  15. #double
  16. #through
  17. #stone
  18. #translating
  19. #model