Introduction to Big Data

The total volume of data stored electronically, as on 2012, 2.7 zettabytes as per Forbes.com

(A zettabyte is 10^21 bytes, or equivalently one thousand Exabyte, one million petabytes, or one billion terabytes).

Statistical Facts on Big Data :

• $300 Billion Potential annual value to US health care.
• $250 billion Potential value to Europe's Public sector administration.
• $600 Billion Potential annual consumer surplus from using personal location data globally.
• 140,000-190,000 - More deep analytical talent positions open for data savvy managers in USA during 2011.