Un buen ejemplo de externalidad positiva para agregar a la lista es el del incremento de ventas de Pinot Noir tras el éxito de la película Sideways:
During an emotional scene in the film, Miles talks with great passion about Pinot Noir. After the release of this movie, sales of Pinot Noir wines rose by more than 20 percent over the 2004-05 Christmas/New Year period, compared to the same period the previous year. A similar phenomenon was experienced in British wine outlets. Miles is deeply disparaging, in a different scene, about Merlot, and sales dropped after the film came out.