Leaders are those who lead from the front and guide the team to success, however, these leaders are changing human brains to artificial inelegancy. Yes, this the truth that data analysis is the key factor in any business, now as well as earlier. The main thing what is changing is the scope of the work and size of the data getting the process to get the Juice out.
Big Data is everywhere and there is an urgent need to collect and preserve whatever data is being generated, for the fear of missing out on something important. There is a huge amount of data floating around. What we do with it is all that matters right now. This is why Big Data Analytics is in the frontiers of IT now a day.