Which revolutionary language learning product, launched in 2007, pioneered the use of spaced repetition algorithms with gamification elements to help users retain vocabulary more effectively?

The market for language learning tools has transformed dramatically over the decades. From physical dictionaries to AI-powered applications, the technology behind language acquisition continues to evolve at a rapid pace. This poll tests your knowledge about a significant product launch that changed how we approach language learning in the digital age.

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• Duolingo
• Rosetta Stone Interactive Software
• Anki Digital Flashcards
• Babbel Language Platform

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