Which advertising campaign is credited with transforming 'google' from an obscure mathematical term into a widely used verb meaning 'to search for information online'?

In the evolving landscape of language and linguistics, marketing campaigns have sometimes fundamentally changed how we communicate. Brand messaging doesn't just sell products—it can introduce new terminology into our everyday vocabulary, transform existing words, or even resurrect archaic language. This trivia question examines a remarkable case where a product's advertising campaign permanently altered linguistic patterns in English-speaking countries.

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Google's 'Don't Be Evil' campaign (early 2000s)
Yahoo's 'Do You Yahoo?' campaign (late 1990s)
AltaVista's 'Smart is Beautiful' campaign (1999)
Ask Jeeves' 'Just Ask' campaign (2000-2005)