Dieter Rams  10 principles for good design Examples

     Good design is innovative.

    Good design makes a product useful.

    Good design is aesthetic.

    Good design helps us to understand a product.

    Good design is unobtrusive.

    Good design is honest.

    Good design is durable.

    Good design is consequent to the last detail.

    Good design is concerned with the environment.

    Good design is as little design as possible
 
              
  Dieter Rams is the inspiration for Jonathan Ive ...

 (in case you don't know, Jonathan Ive is the lead designer for Apple: iPod Mac iPhone Air Ipad)

and read what Steve Jobs said about design:
2000, 2011a, 2011b

[updated August 27, 2012]