Which major language learning product company first achieved carbon neutrality certification while maintaining over 500 million users worldwide?

In the world of linguistics and language products, sustainability has become increasingly important. From digital dictionaries replacing paper volumes to language learning apps reducing the carbon footprint of traditional classroom materials, the language industry is evolving to become more environmentally conscious. This poll tests your knowledge about sustainable practices in language product development and how companies are reducing their environmental impact while still meeting the needs of language learners and professionals worldwide.

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Duolingo
Rosetta Stone
Babbel
Memrise