This page gives a great comparison between mass customization and restaurants. The author explains how restaurants who have used this kind of method when selling food and how it could extend all over the market. The page was written based off of a college for business and economics.
This site makes some very nice points about how mass customization will affect consumers in the future. It also included several references to where they got their information from, so I am sure this is a very reliable source to use.
This site provides some insight on the economic powers of the world in the near future. We can use the more recent predictions to more accurately estimate the economic state of the future.