via YouTube
Dieter Rams’ Ten Principles of good design:
Good design is innovative.
Good design makes a product useful.
Good design is aesthetic.
Good design makes a product understandable.
Good design is unobtrusive.
Good design is honest.
Good design is long-lasting.
Good design is thorough down to the last detail.
Good design is environmentally friendly.
Good design is as little design as possible.
More videos and links about Dieter Rams:
http://www.fastcodesign.com/1662043/dieter-rams-the-god-of-pristine-minimalism