Which language learning company pioneered the subscription-based language learning model that revolutionized the industry in the early 2010s?

The language learning industry has undergone massive transformation with the rise of digital platforms. Traditional dictionary publishers and language learning companies have had to adapt to e-commerce models and digital distribution to survive. This trivia question explores a pivotal moment in the industry's digital transformation that changed how we access language learning resources forever.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Duolingo
Rosetta Stone
Babbel
Memrise