This document describes features of the Socialcast collaboration platform, including microblogging, broadcasting messages, custom streams, recognizing contributions, displaying organization charts, adding links, public/private groups, external contributor groups, private messages, projects, challenges, town halls, integration with email and other systems, administrator features like custom themes, single sign-on, legal options, and analytics. It provides details on how administrators can view analytics on user adoption and activity, popular discussions, top contributors, groups, and devices used to access Socialcast.