According to the Aberdeen Group, the use of contingent labor — including independent contractors, SOW consultants, and temporary employees hired on a contract basis — has increased 20% over last year. Clearly, contract labor is in demand as companies struggle to emerge from the recession. But this increase in the use of contingent workers presents challenges, too. Costs can spiral out of control, the quality of the talent can suffer, and businesses can become exposed to tremendous risks should the use of the contingent workforce fail to meet compliance and regulatory requirements . . .