social operating system - n.  A social networking site like Facebook or MySpace that seamlessly integrates activities, including entertainment and shopping, to become a platform for online living.  (Wired News)

I’m always on the lookout for new words.  This one isn’t especially innovative, but the last phrase caught my notice.  Online living.  Indeed.  Now I like Facebook and actively maintain a profile as a way of keeping in touch with family and friends.  But online living?  I think that day is still a long ways off.