The provided material includes only a headline and a brief teaser, not the full article text, so a ~200-word summary cannot be written without adding unsupported details. The available teaser states that AI hyperscalers are working to address a 'storytelling problem,' and that Arby's has a new chief marketing officer as its parent, Inspire Brands, heads toward a planned public offering. Please supply the full article body so that a faithful summary can be produced.
Source: Wall Street Journal US Business · Summarized by HeadlinesBriefing