This document discusses social intranets and their benefits for collaboration, communication, finding people and information within organizations. It notes that social intranets turn traditional intranets that dampen network effects into structures that harness network effects to improve as more people use them. The document also outlines trends that will impact enterprise IT and social intranets in the future, including mobility, cloud computing, consumerization of IT, big data, and the idea of connected companies becoming more firewalled, communicative and collaborative over the long term.