1. A method for integrating legacy data into a content management system computer, comprising: analyzing a set of legacy data residing in a legacy data repository on a persistent data source computer connected to said content management system computer over a network; generating a set of content types to represent the set of legacy data in the content management system based on the analysis of the legacy data; generating a set of content type objects corresponding to the set of content types, wherein a content type object is an instantiation of a content type embodied in the content management system; generating a set of content instance objects from the content type objects, wherein each content instance object is an instantiation of a content instance and is associated with a content type object; associating each of the set of legacy data with at least one of the content instance objects; and managing the set of legacy data residing in the legacy data repository on said persistent data source computer using the content instance objects generated by the content management system computer, comprising managing two or more datum associated with one content instance object are managed by said content management system over said network as a single entity.