Functionality vs. Aesthetics
Affordance The ability of an object to imply a use.
Jakob Neilson uses a necktie which today has no functional (outside of cultural) usage. So why does he encourage website be purely about white backgrounds with limited form.
Computers laptop vs. desktop portability v. functionality
a study about Aesthetics http://www.alistapart.com/articles/indefenseofeyecandy
Cultural aesthetics play into certain functionality for context.
Cost is an impediment as a factor in making decisions regarding functionality and aesthetics.