Although we live in an age where we can buy things that serve no purpose what so ever, most products have to provide a service and offer real benefits. In industry, it would be unthinkable to employ any technique or technology that did not add value in some form or another. For example, once upon a time, computers were more trouble than they were worth. They were unreliable, software was problematical, and if one could get by without using them, then that was the preferred course of action.
KeywordsVirtual Reality Virtual Environ Virtual Object Virtual Reality System Virtual Hand
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