Usability rules the web. Simply stated, if the customer can't find a product, then he or she will not buy it.

At most project meetings, everyone has a seat at the table except the poor victims who will have to operate the technology.

The more users' expectations prove right, the more they will feel in control of the system and the more they will like it.

Inadequate use of usability engineering methods in software development projects have been estimated to cost the US economy about $30 billion per year in lost productivity.

Throughout this book, we've been evangelizing simplicity, but ironically, the practice of simplicity is not simple. It is easy to build a bulky design by adding layer upon layer of navigation and features; it's much more difficult to create simple, graceful designs. Paring designs to essential elements while maintaining elegance and functionality requires courage and discipline.

The system should always keep users informed about what is going on, through appropriate feedback within reasonable time.

People have to want to change before there's any chance of helping them do so.