The advancement of nanotechnology has made ‘smart surfaces’ possible. Any wall or window can be equipped with thousands of invisible cameras, microphones, speakers and sensors detecting temperature, light, proximity or geolocation. Furthermore, they can display holographic images. The ‘smart surface’ can send and receive data remotely by connecting to home or city computer systems, reacting to the constantly changing environment and adapting to these changes, always interacting with users and predicting their behaviour.
This technology is used in the information-driven navigation system of a city that helps citizens and tourists receive interesting information via holographic projections that can show the shortest path to their destination or a historical landmark and describe it in detail.
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