Big Data
The amount of data being produced worldwide is enormous and growing quickly. According to IBM, approximately 2.5 quintillion bytes (2.5 exabytes) of data are created daily and 90% of the world’s data was created in just the past two years!6 According to a Digital Universe study, the global data supply reached 2.8 zettabytes (equal to 2.8 trillion gigabytes) in 2012.7 Figure 1.4 shows some common byte measurements. Big data applications deal with such massive amounts of data and this field is growing quickly, creating lots of opportunity for software developers. According to a study by Gartner Group, over 4 million IT jobs globally will support big data by by 2015.8
6. http://www-01.ibm.com/software/data/bigdata/.
7. http://www.guardian.co.uk/news/datablog/2012/dec/19/big-data-study-digital-universe-global-volume ...
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