In relation to online activities, the term moderator occurs in online shopping and teleshopping, specifically in product presentation. The moderator takes on the role between the person presenting and offering the products and the potential customers. He asks the questions that should actually come from the viewers.
In addition, the term moderator is used in newsgroups. It is the person who moderates newsgroups and who pays attention to the netiquette so that the participants of the newsgroups do not disregard the set guidelines.