Which linguistics-focused marketing campaign successfully created a new word that was later added to the Oxford English Dictionary?

In the world of language and linguistics, marketing campaigns have often leveraged linguistic phenomena to create memorable brand experiences. From neologisms that entered dictionaries to campaigns that revitalized endangered languages, the intersection of linguistics and marketing has produced fascinating case studies. Test your knowledge about how language has been strategically used in notable marketing campaigns across the globe.

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Google's 'to google' campaign (2006) which popularized using the brand name as a verb meaning 'to search online'
Duolingo's 'Fluenzy' campaign (2018) which promoted the concept of learning languages through micro-sessions
Merriam-Webster's 'Wordovation' initiative (2014) which encouraged users to submit new word constructions
Rosetta Stone's 'Lingualarity' promotion (2010) which described the moment when language learning becomes intuitive