During the speech of introduction you should never try to contact the speaker to ask what points in the biography the speaker would like to emphasize. Instead, you should use their resume and surprise him/her.

There should be a meaning full two way communication between the audiences and the speaker, as there should be a sense of connection between the different individuals and one must always makes some notes from the writer or author's work. As, there are different points which should be noted well by the audiences and then as a speaker the audiences or the readers should use their resume and surprise him/her.