The FOUR V's of Big Data
From traffic patterns and music downloads to web history and medical records, data is recorded. stored, and analyzed to enable the technology and services that the world relies on every day. But what exactly is big data, and how can these massive amounts of data be used?
Asa leader in the sector, IBM data scientists break big data into four dimensions: Volume, Velocity, Variety and Veracity
Depending on the inckistry and organization. c. data encompasses information from multii, • intemaland extemalsourcessuchas barISZCb.n. social media, enterprise content, sensors ari mobile devices. Companies can leverage data t adapt their products and services to better me-• customer needs, optimize operations a• infrastructure. and find new sources of never,,,,
By 2015 4.4 MILLION IT JOBS will be created globally to supped big data. with 1.9 million in the United States

40 ZETTABYTES 143tPli r,,IP,TF, of data will be created by 2020. an increase of 300 times from 2005
C16 BILLION PEOPLE have cell phones

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It's estimated that 2.5 QUINTILLION BYTES 123 SULLIOCEIMY:t. of data are created each day
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Volume SCALE OF DATA
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WORLD POPULATION 7BILLION
The New Yak Stork Exchange captures 1 TB OF TRADE INFORMATION during each trading session

By 2016. it is projected there will be 18.9 BILLION NETWORK CONNECTIONS - almost 2.5 connections II thief per persco on eadh

Velocity ANALYSIS OF STREAMING DATA
Most companies in the U.S. have at least 100 TERABYTES of data stored

Modern cars have close to 100 SENSORS ft)) that monitor items such as -r-/ fuel level and tire pressure
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As of 2011. the global sae of data in healthcare was estimated to be 150 EXABYTES 116IBIWONGIGABYIESI

By 2014, Ws anticipated there will be 420 MILLION WEARABLE. WIRELESS HEALTH MONITORS
Variety DIFFERENT FORMS OF DATA

4 BILLION+ HOURS OF VIDEO are watched on Youl'ube each month
30 BILLION PIECES OF CONTENT are shared on Facebook every month
1 IN 3 BUSINESS LEADERS don't trust the information they use to make decisions
RES2I
in one survey hoe much ol inaccurate

Veracity UNCERTAINTY OF DATA
400 MILLION TWEETS
are sent per day by about 200 million monthly active users
Poor data quality costs the US economy around