No matter how well-arranged your interface is or how simple your flows are, the imagery you use in your designs will have a disproportionately large influence on how it will be received. Beautiful imagery, when done right, can be a powerful force for progress.
Everyone loves a good story. While you may not remember all of the details of a story, you'll remember enough of the setup and the emotion to recall it at a moment's notice. Use that same stickiness as a way to keep other points of view in mind.