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Understanding the antecedents and their effects on satisfaction is crucial, especially in consumer marketing. Most investigations in marketing research have used the Expectation–Confirmation Theory (ECT) which is used by the IS researchers too, with a few modifications and have taken the name Expectation–Confirmation Model (ECM). ECM is broadly applied to examine the continuance intention of IS users rather than just to explain satisfaction. Though the name of the model still contains expectation but practically the pre-consumption expectation is replaced by post-consumption expectations, namely, perceived usefulness which is believed to contribute a more meaningful dimension to theory. In IS research, though the dependent variable, continuance usage intention, is quite consistent but the independent variables, logically, are multi-varied as they are considered from contextual perspectives …