How To Learn Consumer Software
v Like physical product designers, software product
designers know their design will be more successful if
people can figure it out without resorting to a manual
v For someone to figure out software, the operation
must be consistent with their experience and  follow
the same rules & principles
; Consistent interface
; Standard metaphors
; Features conveyed by analogies
; Full complement of basic features
; Intuitively consistent
; Rational defaults
v Expect to figure out consumer software on your own