This document provides an introduction and overview of TGI (Target Group Index), a global marketing and media research survey. It discusses how TGI data can be used by clients for consumer profiling, brand positioning, strategic planning, segmentation, tactical marketing and media analysis, and trend analysis. The document then reviews TGI's geographical coverage of 67 markets across 6 continents. It identifies some important trends in Latin America, including the rise of the middle class, sports opportunities around upcoming World Cup and Olympics events, the online/offline media shift and growth, the role of mobile phones as a new media platform including smartphone usage, and new digital opportunities such as deal-of-the-day websites and online banking and social networks.