As French writer Jean-Pierre Gaudard put it recently, we are witnessing the end of the salariat and judging by the presence of US casual labor everywhere, the US is taking the hardest hit.

FORBES: Where Is The Digital Workforce Growing Fastest?

There are contractors (that surveys like MBOPartners cover), casual global freelance pools on sites like Elance, and increasingly crowd-based labor sites, which gather around sites like Mechanical Turk and Crowdflower, where, once again, US workers predominate.

FORBES: Where Is The Digital Workforce Growing Fastest?