This is both good and bad news to web site developers and theme designers.Many of us have read the phrase: "First impressions are the most lasting" on fortune cookies in Chinese restaurants, or heard it elsewhere. While it seems unfair to judge a book by its cover in a second or two, research shows that humans mentally rate web site by their looks in less than half a second, and often less than that. The research is by Gitte Lindgaard of The Human Oriented Technology Lab in Carleton University here in Ottawa, Ontario. Read the article in the science journal Nature has an article on research showing that web users judge web sites in the blink of an eye. Update: Slashdot finally posted a link to the article. Read the discussion on it.