3Big data: The next frontier for innovation, competition, and productivity, http ://www.mckinsey.condlnsights/MGI/ Research/Technology and Innovation/Big_dataThe_next _frontier_for innovation.
4The New York Times. The Age of Big Data [EB/OL]. [ 2012-05 -23 ] .http ://www.nytimes .corn/2012/02/12/snn- day-review/big-datas -impact -in -the -worJd.html?page- wanted=all.