=+That's fine in this kind of writing. When Apple used this tagline, “Think Different,” grammarians were upset, saying it should have used an adverb “Think differently.” What Apple claimed was that “different”

was a noun, not modifying the verb “think.” Likewise, Toyota deliberately used the wrong spelling in the slogan “Toyota Everyday.”

Cordiant's Saatchi & Saatchi Advertising developed the slogan. It should have read “Toyota Every Day,” because everyday, as one word, is an adjective modifying a noun like everyday routine. But you'd say,