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Augmented reality, or AR, apps work by annotating real world scenes with information gathered from the virtual world. Imagine wandering around a foreign city as a tourist and as you look up at a historic building, your view of it is enhanced by information scoured from the internet about the building’s designer, construction style, its cultural and historical significance and comments left by previous visitors. Then as you turn around, information about a dozen other tourist attractions is added to the scene infront of you so you can choose your next destination. In future this could involve Jordi-la-forge style headsets; data projected onto your spectacles or even tiny displays on a chip embedded inside the eye. If you have an Android powered mobile phone or an iPhone, then augmented reality needn’t be a futuristic dream as there are apps for both handsets available now.
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