Marketing communications help to define an orgaisation's relationship with its customers. This unit emphasises the strategic importance of such communication and its long-term effect on consumers. Communication models can act as a predictive guide, but in the end it is important to recognise the autonomy and unpredictability of consumers. This study unit is just one of many that can be found on LearningSpace, part of OpenLearn, a collection of open educational resources from The Open University. Published in ePub 2.0.1 format, some feature such as audio, video and linked PDF are not supported by all ePub readers.