> What is "consumer surplus"? This reminds me of an old article written by Joel Spolsky which explains it quite well. http://www.joelonsoftware.com/articles/C

> What is "consumer surplus"? This reminds me of an old article written by Joel Spolsky which explains it quite well. http://www.joelonsoftware.com/articles/CamelsandRubberDuckies.html http://www.joelonsoftware.com/articles/CamelsandRubberDuckie... It also goes into detail about different pricing models too which I found a good starting off point for a programmer to learn about pricing.