The document provides an industry synopsis and analysis of the payments system industry for Q2 2011. It discusses several notable events including the Federal Reserve's final ruling on interchange fees, the launch and performance of new mobile payment platforms, and mergers and acquisitions within the payments industry. Major players like American Express, MasterCard, and Visa saw stock price increases, while others like Green Dot and NetSpend continued to underperform. The summary also highlights new entrants and product developments in areas like mobile payments, prepaid cards, and security.