Technology can make magic happen. In seconds, you can find all the blue sandals in a warehouse of millions of shoes. A million people can read the same article without killing one tree. You can undo, unsend, and even unfriend! But here’s the buzzkill: if unanticipated or unwelcome, the magic of technology is confusing, disorienting, and unintuitive—a UX designer’s worst nightmare.

So how can we ensure that the magic we create is intuitive? Designers will often say, “If a design is intuitive, it behaves how a user expects it to.” Well, then … what do users expect?