14. The computer program product as recited in claim 8 , wherein said program causes the computer to perform the further step of indicating status of issuers of respective teleportation invitations in said queue.
8. A computer program product comprising a computer readable medium storing non-transitory signals comprising a computer program, said computer program, when run on a computer hosting a virtual universe, said virtual universe being a computer-based simulated environment having locations therein intended for users to inhabit and interact through the use of avatars and within or between which an avatar can move by teleportation, causing said computer to perform: logically analyzing, using said computer, incoming teleportation invitations on the basis of at least the sender and proposed teleportation location; responsive to results of said logically analyzing step, automatically performing for each teleportation invitation one of: accepting the teleportation invitation for teleporting in accordance with said teleportation invitation, rejecting the teleportation invitation, and deferring response to the teleportation invitation by placing the teleportation invitation in a queue at a queue location having a priority for possible acceptance within said queue based on said logically analyzing step, wherein one or more of the incoming teleportation invitations are deferred and placed in said queue; and teleporting the avatar of a user to the proposed teleportation location of at least one deferred teleportation invitation in said queue, said proposed teleportation location being a geographical location within the topology of a virtual universe, wherein avatars are graphical representations for traversing and interacting within one or more virtual universes.