15. A computer-implemented method, comprising: providing one or more objects through an application that is not primarily an instant messaging application or email application; the one or more objects having at least one strongly typed tag and at least one changeable property, the at least one changeable property being a name, wherein different names associated with a same unique ID are automatically resolved to the same unique ID independent of a user resolving the different names, wherein strongly typed tags uniquely associate tags with an individual or group of people; presenting a navigation tree comprising a tag node that is expandable to expose a list of previously created tags which are usable to tag the one or more objects: and using one or more strongly tags from within the application to present a user interface element that gives the user a choice to select between functionalities including an instant messaging functionality or an email functionality.
15. A computer-implemented method, comprising: providing one or more objects through an application that is not primarily an instant messaging application or email application; the one or more objects having at least one strongly typed tag and at least one changeable property, the at least one changeable property being a name, wherein different names associated with a same unique ID are automatically resolved to the same unique ID independent of a user resolving the different names, wherein strongly typed tags uniquely associate tags with an individual or group of people; presenting a navigation tree comprising a tag node that is expandable to expose a list of previously created tags which are usable to tag the one or more objects: and using one or more strongly tags from within the application to present a user interface element that gives the user a choice to select between functionalities including an instant messaging functionality or an email functionality. 17. The computer-implemented method as recited in claim 15 , wherein providing the one or more objects further comprises providing one or more photos.