Never mind the well-reasoned skepticism of Null Space; Forbes spills the beans:
Indeed, Pittsburgh's art scene, job prospects, safety and affordability make it the most livable city in the country, according to measures studied. The city has rebounded from its manufacturing past. Disused steel mills have been repurposed into multimedia art centers, and amid a struggling national economy, Google Pittsburgh, a test site for the company's new high-speed broadband network, has expanded its offices to accommodate more hires.
Don't shoot the messenger. Forbes prints; I report.