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A multitude of technologies from computer vision, acoustic signal analysis and natural language processing are used to implement multi-modal perceptual components. The output of this analysis is used to gain context awareness – a necessity when designing a computer-based service that interacts reactively and proactively with humans. This article describes the integration process and our experience in implementing one such information service, the “Memory Jog”, in a particular scenario where the computer system supports a group of journalists in their daily work.