Which language technology product was famously launched with a controversial 'incomplete' beta version that invited users to help build the product through mass collaboration?

The language and linguistics industry has seen remarkable product innovations that have transformed how we communicate globally. From translation technologies to language learning platforms, certain product launches have defined the evolution of this field. Test your knowledge about the significant product launches that changed how we bridge language barriers and connect across cultures. Can you identify which famous language product had the most unconventional launch strategy?

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Rosetta Stone (1992) - marketed as the first 'complete' language learning system despite having only 3 languages
Google Translate (2006) - initially released with statistical machine translation that produced notoriously inaccurate results users could improve
Duolingo (2011) - launched as a paid premium service before pivoting to its famous free model within 3 months
DeepL Translator (2017) - released exclusively to linguistics professors for 6 months before public availability