Usability Pays! says Oracle in a recent article in Business Week
www.businessweek.com/technology/content/dec2002/tc2002124_2181.htm
Most usability changes are more basic than that — such as reducing the number of clicks necessary to make a purchase, or changing colors, typefaces and font sizes to make text more readable. The results, however, are just as dramatic. After Dell Computer (DELL) applied basic usability principles to its e-commerce Web site in the autumn of 1999, its Web sales skyrocketed. Online purchases rose from $1 million per day in September, 1998, to $34 million per day in March, 2000.Oracle