Data scientists are in high demand due to the rise of big data and have become the sexiest job of the 21st century. Data scientists are difficult and expensive to hire because they have rare skills to analyze large amounts of unstructured data and turn it into useful insights. For companies to capitalize on big data opportunities, managers must learn how to identify, attract, and utilize talented data scientists effectively. Data scientists play a key role in organizing and analyzing vast volumes of information from various sources to help organizations and users. Their most basic skill is being able to write code to structure large quantities of raw data.