<blockquote>Indeed, even the Empire State Building – icon of American capitalism – only found enough tenants to become profitable in 1950, almost 20 years after its completion.</blockquote>
via <a href="http://www.theguardian.com/cities/2014/aug/01/new-lift-technology-ultrarope-cities">The new lift technology that will let cities soar far higher | Cities | The Guardian</a>.