This document outlines 4 business cases for using Web 2.0 technologies in enterprises: 1) Broadcast to more easily disseminate messages to employees, 2) Scale to spread good ideas across the organization, 3) Connect to leverage employees' knowledge to solve problems, and 4) Build community among employees. It argues that by 2020, 60% of workers will be familiar with technologies like social media from a young age and enterprises need to start adopting Web 2.0 now to prepare for this upcoming workforce, rather than resisting cultural changes.