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.

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.

Forget the complaints against complexity; instead, complain about confusion.

Knowing how people will use something is essential

We expert teachers know that motivation and emotional impact are what matter.

Any time you see signs or labels added to a device, it is an indication of bad design: a simple lock should not require instructions.

Am I an Apple bigot? No. I can critique their products and their customer service philosophy. But overall, they do better than any other player.