13. The computer program product of claim 12 wherein means, recorded on the recording medium, for providing to a multiplicity of users a presentation including content from a session document further comprises: means, recorded on the recording medium, for providing a session document for the presentation, wherein the session document includes a session grammar and a session structured document; means, recorded on the recording medium, for selecting from the session structured document a classified structural element in dependence upon user classifications of a user participant in the presentation; and means, recorded on the recording medium, for presenting the selected structural element to the user.
12. A computer program product for differential dynamic content delivery, the computer program product comprising: a recording medium; means, recorded on the recording medium, for providing to a multiplicity of users a presentation including content from a session document; means, recorded on the recording medium, for streaming presentation speech to the user including individual speech from at least one user participating in the presentation; means, recorded on the recording medium, for converting the presentation speech to text; means, recorded on the recording medium, for detecting whether the presentation speech contains simultaneous individual speech from two or more users; and means, recorded on the recording medium, for displaying the text if the presentation speech contains simultaneous individual speech from two or more users.