is another example of real-time personalized advertising human resource professionals use people analytics and text mining to screen candidatesmonitor the mood of employeesand study informal networks among coworkers people analytics is the central theme in the book moneyballthe art of winning an unfair game in the book (and moviewe saw that the traditional scouting process for american baseball was randomand replacing it with correlated signals changed everything relying on statistics allowed them to hire the right players and pit them against the opponents where they would have the biggest advantage financial institutions use data science to predict stock marketsdetermine the risk of lending moneyand learn how to attract new clients for their services at the time of writing this bookat least of trades worldwide are performed automatically by machines based on algorithms developed by quantsas data scientists who work on trading algorithms are often calledwith the help of big data and data science techniques governmental organizations are also aware of data' value many governmental organizations not only rely on internal data scientists to discover valuable informationbut also share their data with the public you can use this data to gain insights or build data-driven applications data gov is but one exampleit' the home of the us government' open data data scientist in governmental organization gets to work on diverse projects such as detecting fraud and other criminal activity or optimizing project funding well-known example was provided by edward snowdenwho leaked internal documents of the american national security agency and the british government communications headquarters that show clearly how they used data science and big data to monitor millions of individuals those organizations collected billion data records from widespread applications such as google mapsangry birdsemailand text messagesamong many other data sources then they applied data science techniques to distill information nongovernmental organizations (ngosare also no strangers to using data they use it to raise money and defend their causes the world wildlife fund (wwf)for instanceemploys data scientists to increase the effectiveness of their fundraising efforts many data scientists devote part of their time to helping ngosbecause ngos often lack the resources to collect data and employ data scientists datakind is one such data scientist group that devotes its time to the benefit of mankind universities use data science in their research but also to enhance the study experience of their students the rise of massive open online courses (moocproduces lot of datawhich allows universities to study how this type of learning can complement traditional classes moocs are an invaluable asset if you want to become data scientist and big data professionalso definitely look at few of the better-known onescourseraudacityand edx the big data and data science landscape changes quicklyand moocs allow you to stay up to date by following courses from top universities if you aren' acquainted with them yettake time to do so nowyou'll come to love them as we have