The 2010 GS100 Compendium is a comprehensive collection of research on the global outsourcing industry, emphasizing the effects of the 2008 recession on service providers' operations and strategies. It outlines key trends such as the shift towards outcome-based pricing, multisourcing, and the changing dynamics of contract sizes, highlighting the importance of mid-tier vendors in the evolving market. Additionally, the compendium offers insights into global delivery centers and risk management practices, illustrating how companies adapted to a new landscape post-recession.