It’s because data is powerful but fickle. A lot of theoretically promising approaches don’t work because there’s so many barriers between spotting a possible relationship and turning it into something useful and actionable. […] Here’s some of the hurdles you’ll have to jump:
- Poor correlations
Differently put: 1) data is not the goal, but only the means and 2) what you’ll discover behind data will (many times) be different than your initial assumptions/expectations.
Original title and link: Big Data is snake oil (NoSQL databases © myNoSQL)