When we were young, many of us spent countless hours lost in virtual worlds - worlds where we were free to be who we wanted to be and do whatever we set our mind to. We were collectors, explorers, and lovers of good stories and achievements. We chased virtual rewards and felt a sense of accomplishment when we reached new levels. As we've got older, the real world seems to have lost some of its luster. The virtual worlds we experienced when we were young have given us something unique, al...