Developing fewer features allows you to conserve development resources and spend more time refining those features that users really need. Fewer features mean fewer things to confuse users, less risk of user errors, less description and documentation, and therefore simpler Help content. Removing any one feature automatically increases the usability of the remaining ones.

Good information architecture makes users less alienated and suppressed by technology. It simultaneously increases human satisfaction and your company's profits. Very few jobs allow you to do both at the same time, so enjoy.

Windows '98 is so similar to Windows '95 because Apple hasn't invented anything worth copying since 1995.

Users spend most of their time on other sites. This means that users prefer your site to work the same way as all the other sites they already know.

Users are not designers.

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

...the book is a manifesto to make the Web atone for the sins of computers and regain a level of simplicity that can put humanity at peace with its tools once again.