Social Networks

Social Networks - what a great way to communicate and stay in touch with people with like interests and backgrounds - whether person or professional.
Old school friends, or existing and ex colleagues - a contact network can be created.
It is an easy was to keep in touch and keep people informed, whether if be an new activity, and change (whether personal or in a service area), to advise and inform. Social Networks also have the benefit of people choosing to be a contact or not.
Libraries can set up a social network of all existing and past colleagues for easy communication on reunions and get together's, changes, and departures.
Libraries could also set up social networks of participants who regularly attend specific activities to keep them informed, as one example.