ROTTERDAM, The Netherlands (Reuters) - Technophiles and developers seeking the next tech breakthrough were drawn to the Dutch city of Rotterdam on Friday to hear "augmented reality" promoted as a way of changing their view of the world.

Unlike virtual reality, augmented reality combines real-world images with computer-generated images on a screen, usually in real time.

For example, someone holding up a mobile phone equipped with a camera, a global positioning satellite (GPS) sensor, compass and the right software, can point to a city street and overlay older images of historic buildings or streets.

Dutch company Layar is one of the leading providers of the underlying software that makes augmented reality possible.

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