Which innovative linguistic marketing approach did Duolingo use in 2022 that resulted in a 40% increase in new user acquisition?

Test your knowledge about innovative linguistic marketing techniques in the retail world! Language plays a crucial role in how products are marketed across different cultures and regions. This poll explores how major language-focused companies have used linguistic insights to create memorable and effective marketing campaigns that resonated with their target audiences. Can you identify which marketing approach actually succeeded in the competitive language learning market?

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The "Language Immersion" campaign featuring virtual reality experiences of different countries
The "Scary Owl" campaign using FOMO (fear of missing lessons) with their mascot appearing unexpectedly in ads
The "Linguistic Passport" campaign offering real travel discounts for completing language courses
The "Celebrity Polyglot" campaign featuring multilingual celebrities struggling with pronunciation