Customer(Buyer) / Consumer - Tutorial

cus‧tom‧er  /ˈkʌstəmər/ –noun
1.a person who purchases goods or services from another; buyer; patron.
2.Informal. a person one has to deal with: a tough customer; a cool customer.
--------------------------------------...
con‧sum‧er  /kənˈsumər/ –noun
1.a person or thing that consumes.
2.Economics. a person or organization that uses a commodity or service.
--------------------------------------...
The keywords separating a customer from a consumer is "purchases" and "uses". Hence a customer "purchases" goods and a consumer "uses" them.
http://www.knowthis.com/principles-of-marketing-tutorials/consumer-buying-behavior/

Customer complain / Examples / Dealing It

http://customerservicezone.com/customerserviceguest/whycomplain.htm
http://www.europarl.europa.eu/comparl/imco/public_hearings/050915_appelmans_en.pdf
http://www.smoothsailingcommunication.com/articles/HandlingComplaintsarticle.pdf

Loyalty / Model

http://searchcrm.techtarget.com/resources/Customer-loyalty-and-retention
http://en.wikipedia.org/wiki/Loyalty_business_model

Customer Retention Strategies

http://searchcrm.techtarget.com/generic/0,295582,sid11_gci1338599,00.html
http://www.dbmarketing.com/articles/Art112.htm

ways to approach new customers

http://www.marketingdonut.co.uk/marketing/sales/sales-techniques-and-negotiations/ten-ways-to-approach-new-customers

How to Attract Customers

http://www.ehow.com/how_15353_attract-customers.html

Customer / PPTs / Types /Personality

http://en.wikipedia.org/wiki/Customer
http://www.authorstream.com/tag/customer
http://sbinfocanada.about.com/od/customerservice/a/customertypesmh.htm

http://www.articlesbase.com/customer-service-articles/customer-personality-types-1054382.html