Oprah’s final episode airs today—but the power of her brand lives on. To mark the end of Oprah’s 25-year run as the queen of daytime talk, NewsFeed spoke with Craig Garthwaite, a professor at Northwestern University’s Kellogg School of Management and a bona fide Oprah expert. How would you describe Oprah’s marketing influence? Oprah has
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Q&A: Oprah Expert on How Winfrey’s Brand Changed America