The document discusses the value of enterprise social networks for connecting employees and leveraging their collective expertise. It provides examples of how Sabre's social network, SabreTown, allows employees to quickly find answers to work questions from colleagues with the relevant expertise. SabreTown helps employees be more productive by reducing time spent searching for information and enabling real-time collaboration across the organization. Since its launch in 2007, SabreTown has seen broad adoption rates of 60-70% usage among employees and positively impacted work outcomes.