This document discusses various topics related to digital economics and electronic commerce. It covers the components of digital markets, competition factors in online marketplaces, issues and success factors in digital economies, virtual communities and their types, barriers and policies around global electronic commerce, opportunities and risks for small businesses, research areas, and the future outlook of electronic commerce. The future is predicted to see growing opportunities for online shopping, increased internet and mobile usage, improved security and payment systems, and expanding virtual communities and business-to-business electronic commerce.