Patent ID: 8499232

Claim:
A method for differential dynamic content delivery, the method comprising: providing a session document for a presentation, wherein the session document includes a session grammar and a session structured document and presentation content that is filtered according to attributes of a plurality of participants for a the presentation; providing a session copy of each participant's user profile including a user classification; receiving, from one of the plurality of participants of the presentation, a user classification instruction to change a user classification in the session copy of that participant's user profile; changing the user classification in the session copy of that participant's user profile in dependence upon that participant's user classification instruction; creating a presentation control instruction, wherein said creating the presentation control instructions comprises, receiving from another of the plurality of participants participating in the presentation a key phrase and a parameter, wherein the key phrase identifies a presentation action; parsing the key phrase and the parameter against a voice response grammar into a presentation control instruction, wherein the voice response grammar is dynamically formed for the presentation from the user grammars of the user profiles of the plurality of participants; selecting from that session structured document a classified structural element in dependence upon the presentation control instruction and in dependence upon a user classification in the session copy that participant's user profile in the presentation; and presenting the selected structural element to that participant.