heres a good must share posting.. that I come across :

"I will staunchly argue that Gmail is a work of art, in much the same way architecture is art or game design is art or Warhol’s silk-screens are art. They are the product of individuals who envision the world in a particular way and conceive a tool to help us see and share that vision"

http://www.iamtheeconomy.com/2006/04/06/gmail-art-and-design/