2. A method of creating a session document for differential dynamic content delivery, the method comprising: identifying a presentation document for a presentation, said presentation document comprising a presentation grammar and a structured document including a plurality of structural elements classified with classification identifiers; identifying a user participant for the presentation, said user participant being associated with a user profile that includes one or more user classifications each describing at least one attribute of the user participant; filtering the presentation document to obtain a plurality of extracted structural elements; filtering the presentation grammar of the presentation document based on said plurality of extracted structural elements to obtain a session grammar; and storing the session document, wherein a data volume of the session document is less than a data volume of the presentation document.
2. A method of creating a session document for differential dynamic content delivery, the method comprising: identifying a presentation document for a presentation, said presentation document comprising a presentation grammar and a structured document including a plurality of structural elements classified with classification identifiers; identifying a user participant for the presentation, said user participant being associated with a user profile that includes one or more user classifications each describing at least one attribute of the user participant; filtering the presentation document to obtain a plurality of extracted structural elements; filtering the presentation grammar of the presentation document based on said plurality of extracted structural elements to obtain a session grammar; and storing the session document, wherein a data volume of the session document is less than a data volume of the presentation document. 3. The method of claim 2 , wherein the session document includes the plurality of extracted structural elements and the session grammar.