This week on Brand Equity, Sonali Krishna seeks answers to some pertinent questions in the advertising & marketing world today - What does marketing mean in today's era? why the fuss around data? Are consultancies disrupting or supporting the marketing world? Tune in for some interesting answers and insights on this and much more, as she speaks to McKinsey & Company's Partner & Global Lead, Digital Marketing & Technology Jason Heller & Senior Partner Brian Gregg!