Many hoteliers are missing out on the opportunity to find valuable sales leads and connections through the social network that some refer to as the "professional version of Facebook." Often an overlooked social media opportunity, LinkedIn can be an extremely valuable networking tool for hotels. As the world’s largest professional social network, LinkedIn is an effective source for connecting with 175 million users, including those with similar educational backgrounds, past and present coworkers, old and new clients, influential industry leaders and potential new business connections. If you don't quite know how to use LinkedIn to your advantage, keep reading to see how your connections can lead to potential business opportunities.