Differential dynamic content delivery

摘要

Differential dynamic content delivery including providing a session document for a presentation, wherein the session document includes a session grammar and a session structured document; selecting from the session structured document a classified structural element in dependence upon user classifications of a user participant in the presentation; and presenting the selected structural element to the user. In some embodiments, selecting a classified structural element includes selecting a classified structural element in dependence upon the presentation action identifier and the parameters.