UI Experience and Pixel Space

Good web designers should be able to put themselves in other people’s shoes. How will a user experience the website?
A very eloquent article on why Google Reader is a lesson in web user interface experience:

http://kirbybits.wordpress.com/2011/10/21/wherein-i-try-to-explain-why-google-reader-is-the-best-social-network-created-so-far/