Methods for evaluating usability include heuristic analysis, cognitive walkthrough, and person testing. Each method has its own characteristics and emphasizes totally different elements of the user experience. An automated online assistant, with potential to reinforce consumer interface on buying sites. One of the earliest types of trade conducted online was IBM’s online transaction processing developed in the Sixties, which allowed the processing of financial transactions in real-time.

Where you are not happy with the quality of any of your products, we’re happy to rearrange a refund. This can be organized on the time of the supply by bringing it to the eye of the supply workers, or by contacting the Helpdesk. 2.13 Money Back Vouchers could additionally be used for full or part fee of a transaction, no change will be given.

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