Good article. Many points come from usability guru Jakob Nielson: http://www.useit.com/alertbox http://www.useit.com/alertbox Edit: Reading through Nielson's s

Good article. Many points come from usability guru Jakob Nielson: http://www.useit.com/alertbox http://www.useit.com/alertbox Edit: Reading through Nielson's site again after a long time, I recommend it highly. I think the article about paper prototyping is particularly useful: http://www.useit.com/alertbox/20030414.html http://www.useit.com/alertbox/20030414.html