A design is intuitive when people just know what to do and they don’t have to go through any training to get there When a design is not intuitive, our attention moves away from what we’re trying to accomplish to how we can get the interface to accomplish what we want.

Some people are so into web standards that they've removed all the tables from their houses

Good design, when it’s done well, becomes invisible. It’s only when it’s done poorly that we notice it. Think of it like a room’s air conditioning. We only notice it when it’s too hot, too cold, making too much noise, or the unit is dripping on us. Yet, if the air conditioning is perfect, nobody say anything and we focus, instead, on the task at hand.

In all situations where bad design decisions were made, people lacked some information that would have helped them make the right decision.

A design is intuitive when people just know what to do and they don’t have to go through any training to get there When a design is not intuitive, our attention moves away from what we’re trying to accomplish to how we can get the interface to accomplish what we want.

Good design, when done well, should be invisible.

Intuitive design happens when current knowledge is the same as the target knowledge.