Which language learning company pioneered the 'freemium' subscription model in 2007, revolutionizing how consumers access language education resources?

The language learning and linguistics industry has transformed dramatically with digital subscription models. From traditional dictionaries to AI-powered language learning platforms, companies have adapted their business models to meet changing consumer demands. This poll tests your knowledge about a pivotal moment in the evolution of language learning subscription services.

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Duolingo
Rosetta Stone
Babbel
Memrise