This book discusses in detail the latest trends in sentiment analysis,focusing on ¿how online reviews and feedback reflect the opinions of users and have led to a major shift in the decision-making process at organizations.¿ Social networking has become essential in today¿s society. In the past, people¿s decisions to buy certain products (and companies¿ efforts to sell them) were largely based on advertisements, surveys, focus groups, consultants, and the opinions of friends and relatives. But now this is no longer limited to one¿s circle of friends, family or small surveys;it has spread globally to online social media in the form of blogs, posts, tweets, social networking