This document provides an overview and summary of the report "Alternative Payment Systems in the U.S., 2nd Edition". The report examines the size and growth of the alternative payments market in the context of the ecommerce and overall payments markets. It defines alternative payments and describes various types including peer-to-peer payments and e-wallets. The report provides market data on transaction volumes for different categories of alternative payments from 2006-2010 and forecasts growth to 2015. It also profiles major competitors and analyzes trends in the marketplace including the rise of mobile payments and changing consumer demographics and preferences.