The only way the Hartle-Hawking wave function can explain an expanding universe with a reasonable probability is if the many-worlds picture is the right one.
Despite "Second Life's" waning popularity as a destination for businesses--partly a result of virtual vandalism and other unpredictable behavior by the world's more eccentric inhabitants--she insists that private virtual worlds like Forterra's can offer many of the same advantages without the risks to security and productivity.
And if you're among those who have to run a few Windows-only applications at home--where you're a dedicated Mac-lover--in many cases Virtual PC offers a way to keep your feet in two computing worlds.