More and more Americans are playing online games like Second Life, EVE Online, and Warcraft. The fantastic lands their developers conjure are compelling, filling a need we have for mystery, discovery, adventure - a need probably not being met now that tourists have pretty much overrun the best medieval towns and Mediterranean beaches. Unless they are brave enough to enter the receding jungles or cross the shrinking ice caps, it is hard for travelers to blaze trails through uncharted lands.

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