Why are some products and ideas talked about more than others? Why do some articles make the most emailed list? Why do some YouTube videos go viral? Word-of-mouth. Whether through face-to-face conversations, emails from friends, or online product reviews, the information and opinions we get from others have a strong impact on our own behaviour. Indeed, word-of-mouth generates more than two times the sales of paid advertising and is the primary factor behind 20-50% of all purchasing decisions.It is between 8.5 and 30 times more effective than traditional media.But want to know the best thing about word-of-mouth? It''s available to everyone.Whether you''re a Fortune 500 company trying to increase sales, a corner restaurant trying to raise awareness, a non-profit trying to fight obesity, or a newbie politician running for city council, word-of-mouth can help you succeed. And you don''t have to have millions of dollars to spend on an advertising budget. You just have to get people to talk.