an investigation into the state of the market for a particular product or service, including an analysis of consumers’ needs and preferences.

The systematic gathering and interpretation of information about individuals or organizations using statistical and analytical methods and techniques of the applied social sciences to gain

In economics, market saturation is a situation in which a product has become diffused (distributed) within a market; the actual level of saturation can depend

The aggregate of the demands of all potential customers (market participants) for a specific product over a specific period in a specific market (source: http://www.businessdictionary.com/definition/market-demand.html#ixzz2I9bzeLoz)