Final answer:
Multi-user virtual reality allows users to interact in a shared virtual space, influencing various sectors such as entertainment and business, and promotes global connectivity without physical constraints.
Step-by-step explanation:
Within the context of virtual reality technology, the concept you are referring to that allows users in different locations to interact and manipulate the same world at the same time by connecting two or more virtual worlds is known as a shared virtual environment or multi-user virtual reality. This technology is pivotal to the global economy and has varied applications ranging from entertainment, as seen in platforms like Second Life, to practical uses in business and education. A multi-user virtual reality creates an 'electronic commons' that provides a space for individuals and organizations to meet, collaborate, and conduct various activities without the constraints of physical distance.