Elixo on Instagram: "These aren’t accidents; they’re intentional behavioral design choices tested over decades to make the experience feel more satisfying, increase perceived value, and drive more sales/upsells. Similar tricks appear in other McDonald’s elements (like menu boards or kiosk layouts that nudge bigger orders). Some locations have even switched large fries to paper bags instead of the red box (possibly for sustainability or cost reasons), which removes some of that visual “fullness”