Word of mouth marketing trumps other forms of marketing and advertising trumps other forms of marketing and advertising trumps other forms of marketing and advertising spread the message via social media and online review sites trumps other forms of marketing and advertising trumps other forms of marketing and advertising trumps other forms of marketing and advertising trumps other forms of marketing and advertising trumps other forms of marketing and advertising trumps other forms of marketing and advertising Forbes www.forbes.com trumps other forms of marketing and advertising power of word of mouth marketing is very powerful Forbes trumps other forms of marketing and advertising