Means for allowing users to manage and make productive use of PIM data are provided. User status is determined by certain contextual indicia whereby other parties may contact the user through the most appropriate means as reflected by that contextual indicia. Information concerning presence, status,...http://www.google.co.uk/patents/US8069166?utm_source=gb-gplus-sharePatent US8069166 - Managing user-to-user contact with inferred presence information
