Since long before computers were even thought of data has been collected & organized by diverse cultures across the world Once access to the Internet became a reality for large swathes of the world's population the amount of data generated each day became huge & continues to grow exponentially It
Includes:: all our uploaded documents video & photos all our social media traffic our online shopping even the GPS data from our cars ' Big Data' represents a qualitative change not simply a quantitative one The term refers both to the new technologies involved & to the way it can be used by business & government Dawn E Holmes uses a variety of case studies to explain how data is stored analysed & exploited by a variety of bodies from big companies to organizations concerned with disease control Big data is transforming the way businesses operate & the way medical research can be carried out At the same time it raises important ethical issues; Holmes discusses cases such as the Snowden affair data security & domestic smart devices which can be hijacked by hackers ABOUT THE SERIES The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area These pocket-sized books are the perfect way to get ahead in a new subject quickly Our expert authors combine facts analysis perspective new ideas & enthusiasm to make interesting & challenging topics highly readable