21. The method of claim 19 wherein said step of completing the collaboration comprises: updating entries in calendars and lists of the originator and the intended recipient based on the reply, such that the originator and the intended recipient have calendar entries and list entries based on the collaboration.
19. The method of claim 17, further comprising: continuing a collaboration when the selection is the other, until the selection is the affirmative or the negative; completing the collaboration when the reply option is the affirmative; and aborting the collaboration when the reply option is the negative.