Machine Learning & Big Data in HR: Are they Overhyped?

Over the last decade, there has been many talks about big data and machine learning in HR. Oh, we are just looking at the tip of the iceberg. In earlier days, HR's primary duties were record maintenance and payroll. Over time other duties such as employee training, uniformity and well-being was added to their tasks. Later on, recruitment and skilled workforce selection was added to their duties.