Rituals build brands.
Big data is great when you want to verify and quantify small data - as big data is all about seeking a correlation - small data about seeking the causation.
The enemy shapes the brand.
Word-of-mouth is powerful, trusted, and cheap.
Imagine Pepsi without Coke. Impossible, right?
Opinion free brands simply will struggle to survive in the future - of that simple reason that we increasingly want to associate ourselves with opinionated and authentic brands.