108 Big Data Computing
Social media plays a key role: Twitter generates 7+ terabytes (TB) of
data every day. Facebook, 10 TB. Mobile devices play a key role as
well, as there were estimated 6 billion mobile phones in 2011.
The challenge is how to deal with the size of Big Data.
Variety, Combining Multiple Data Sets
More than 80% of today’s information is unstructured and it is typically too
big to manage effectively. What does it mean?
David Gorbet explains [2]:
It used to be the case that all the data an organization needed to run
its operations effectively was structured data that was generated
within the organization. Things like customer transaction data,
ERP data, etc. Today, companies are looking to leverage a lot more
data from ...