What’s going on inside the old gulf Oil headquarters building in downtown Pittsburgh, an art deco landmark, is particularly revealing.

现在它的销售额大约是4,500万美元，今年它打算增长50%。

Its sales today stand at about $45 million, and it is gearing up for 50 percent growth this year.

在循规蹈矩的石油公司主管们曾经走过的门厅里，搭起了乒乓球台，让身穿蓝色牛仔裤的技术人员得以活动放松。

In hallways where buttoned-down oil company executives used to tread, table tennis equipment has been set up to let blue-jean-clad technicians relax.