|A Forum or a newsgroup becomes established generally around a given subject. In certain cases, a called person moderating takes, among others, care to animate the debates and to eliminate messages not corresponding to the charter of the forum.
The forum is a tool of communication very much used because it allows discussing on various subjects while exchanging his notices, opinions and points of view with the other persons.
The Blog is a ship's log which frees often textual contents, enriched by hyperlinks and by multimedia elements, on which every Internet user or customer can generally brings professional comments or personal opinions.
Certain companies set up “blog of company” public or for internal use. Even if, generally, companies already have a Website, the blog of company allows a less official, more reactive communication and allows a real-time interactivity.
The blog of company allows communicating directly and quickly with the clientele. A service provider can publish for example at once an article to inform its customers in case of technical problem. The customers can react on-line and avoid so, for example, an overload of the switchboard.