A format that aggregates presence data from multiple sources and intelligently manages the information according to both enterprise and individual preferences. This increases users’ communications options and expands their choices. The IETF abstract describes these options as ones being primarily derived automatically, i.e, from the users' calendar or activity. information may include what a person is doing, when a service or device was last used, the type of location a person is in, what media communications might remain private, the person's mood, time zone they are located in,  and the type of service offered.