A patent is not a right to practice or use the protected invention; instead, it provides the right to exclude others from doing so. As such, the emphasis is on the patent owner to monitor for misuse and to enforce the right via infringement action where misuse is found.
About Virtual World. Virtual World is a all new online MMO where users can express themselves in many different ways. Users have the ability to designs, create and manage there own properties, regions and templates with the abilty to customize them at will. Virtual World is also a great way to meat and explore new people and places.
Virtual Machine is a completely separate individual operating system installation on your usual operating system. It is implemented by software emulation and hardware virtualization. Virtual machine is a software implementation of a physical machine - computer - that works and executes analogically to it. Virtual machines are divided in two categories based on their use and correspondence to real machine: system virtual machines and process virtual machines.