Referral marketing is at the very heart of what effective marketing is all about. Don't you value a recommendation from someone you know much more than a commercial or an advertisement? Aren't you less impressed that a celebrity endorses a resort than if your old college buddy says, "Wow this place is freaking awesome"? Therefore referrals are a function of relationships and everyone knows new sales are a result of referrals so: New relationships = new sales. What is the biggest relationship management system in the world? Facebook! With over half a billion active users, the travel industry has been