This document provides a summary of the fourth quarter 2013 issue of TrendLine, a contingent worker forecast and supply report. It highlights several key trends in the temporary staffing industry, including an expected surge in demand for temporary workers over the holiday season driving increased employment numbers and wages. Articles examine research showing temporary work can increase job satisfaction and an update on OSHA's initiative to expand protections for temporary workers. It also analyzes the declining US labor force participation rate and its impact, such as potentially hiding the effects of discouraged workers no longer counted in unemployment rates.