What are the customers?

Consumer are those person who basically purchase any product, this product can be use any byer who can purchase for his own or family and he can purchase other people who are come to him for buying that product( business product or B to B ).
Customer are very critical to manage always every one think that it is partly true that because customer demand are always change, flowing information improving technology, competition society, luxuries life style are the main reason of changing human demand.  In generally human is very much interested to adopt anything that help him for his better life without any risk;   so when anyone think about their customer they must be care about this thing. Remember that customer are always right they always try to find out new source for better opportunity so always try to provide best service or provide product with changing demand.

For example:facebook!, Samsung, Nokia, Apple, twitter, Google, new bloger side, Amazon all the leading companies because of their production and services are always change with customer demand visits all the side you see their new service and production.
In a practical life all the people are not customer in a company or organization but in a group of people who have enough income for purchasing that product or service which is selling by your organization you target to loyal that customer to maintain their demand because those customer are increase the market share of the organization.
So we can say that customers are those people who are buy anything   for filliping their demand it can be their own or other means resell. All the organization maintains relation with customer.