Take a look at this video of the media facade on the former Bayer headquarters in Leverkusen, Germany. Built by ag4 media facade GmbH and GKD AG, this remarkable display has 5.6 million LEDs covering the entire 17,500 meters of the building.
(Bayer 'Media Facade' video)
If you're a true-blue sf movie buff, you should be thinking of this scene from the 1982 Ridley Scott movie Blade Runner, where advertisements (typically to entice viewers into considering a life off-world) cover the buildings. (See also the Blade Runner video clip from which this scene is taken.)
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Reflect Orbital Sunlight On Demand
'I don't have to tell you about the seven two-mile-diameter orbital mirrors that circulate around the satellite, making it habitable.'
Boy Makes Biomimetic Turtle Robot
't came out into plain view. Darkington glimpsed a slim body and six short legs of articulated dull metal.'
Elon Musk Wants Data Centers In Space
'Internally it’s made up of millions of components, but the most important ones are the thinking and memory parts of the Mind proper.'
Origin F1 Humanoid Robot's Facial Skin
'I could look down at that face of carefully molded synthetic rubber, tinted the exact shade of the doctor's living flesh.'