Almost without exception organisations have become reliant on Information Systems (IS) and Information Technology (IT) applications. Although competitive advantage, efficiency and effective information management are considered to be among the major drivers for investing in IS/IT, recognising, valuing and realising these expected business benefits from their investments has proved to be a complex task for organisations. The track record of the IS/IT industry shows that there are high rates of project failures, budget overruns and cancellations, resulting in the so-called IT productivity...