The site began as a way to connect soldiers in remote locations with their families at home by allowing for live, synchronous viewing and presenter-to-audience interaction through chat and live commenting.
Like many Web 2.0 tools, the site functions as a social network, encouraging users to customize their profiles, identify favorite shows, create broadcast schedules, cultivate followers, add bulletins, and communicate with other users.
Libraries can use the Ustream platform to broadcast library events and get feedback from customers on how to improve services. Ustream permits private broadcasting and librarians can password protect their channels, if they want to air library classes.
Via: The Kept-Up Academic Librarian