Engaging explainer A one-take visual story. A single hero element (in the reference style, a white ball that starts as a toggle's knob) travels through a chain of small interface "stations", and each station reacts to it: it rolls along a slider and pushes it to 100, falls off the end and bounces down a stack of notifications that pop up as it passes, lands on a keyboard and bounces key to key typing a word, hits return and is launched back into the air. The camera never cuts : it keeps the hero near the centre and zooms in for each interaction, and at the climax it pulls far out so the viewe…