Sendhil Mullainathan: Yeah, we spend a lot of time talking to marketers, and I think 60 percent of it is exactly what you say, there are insights to be gleaned there. Forty percent of it is about what marketing is.
Sendhil Mullainathan: Sí, hemos empleado mucho tiempo hablando con vendedores. Y creo que el 60% de ello es exactamente como dices, existen perspicacias que se pueden deducir, 40% de ello es márketing.