To design an easy-to-use interface, pay attention to what users do, not what they say. Self-reported claims are unreliable, as are user speculations about future behavior.

Even better than good error messages is a careful design which prevents a problem from occurring in the first place. Either eliminate error-prone conditions or check for them and present users with a confirmation option before they commit to the action.

Three Tips: Simplify, Simplify, Simplify.

Ultimately, users visit your website for its content. Everything else is just the backdrop.

On the Web, all advantages are temporary, and you must keep innovating to stay ahead

The web is the ultimate customer-empowering environment. He or she who clicks the mouse gets to decide everything. It is so easy to go elsewhere; all the competitors in the world are but a mouseclick away.

Users are not designers.