To me, error analysis is the sweet spot for improvement.

I've been looking at the iPod- the Apple iPod. One of the interesting things about the iPod, one of the things that people love most about it is not the technology; it's the box it comes in

Everyday people are not very good designers.

Technology usually provides a series of tradeoffs. Each asset is offset by a deficit...A major problem occurs when those who suffer from technology's defecits and those who benefit are not the same people.

I think there is a tendency in science to measure what is measurable and to decide that what you cannot measure must be uninteresting.

When you have trouble with things—whether it's figuring out whether to push or pull a door or the arbitrary vagaries of the modern computer and electronics industries—it's not your fault. Don't blame yourself: blame the designer.

Attractive things work better.