Online Services allow their users to access propietary information maintained in their private networks. Many of these companies also offer access to the WWW as part of their services. Online Services are generally more costly than the Internet access services provided by ISP's. One of the most popular ones is electronic mail or e-mail. Through this service, the user can exchange messages with other users anywhere in the world.
Messages are often just plain text, but files, pictures, sound and video can be included as well.
It is also possible to talk to other users in real time through IRC - Internet Relay Chat in a manner similar to the old CB radio. In short time the Internet will allow the establishment of communications similar to the regular telephone service. Other services include the access to news groups and participation in special interest groups. Here, the user has a chance to express his points of view regarding almost any topic of interest, as well as exchange opinions with other members of the group. Anyone can publish a Web site .