The more colours the stronger the acquiring power of the advertisements for computer systems. It can't be denied that colour has a strong attraction. The slogan 'People Like Colours' is at least as valid as the slogan 'People Like Flowers'. Colour is a 'must'. It is hardly possible nowadays to buy black and whitephotographic films nor is it easy to buy a monochrome monitor.
IIe question, however, is whether the use of colour is as useful as in intuituvely assumed.
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