The most basic use of the WWW in the classroom is for the teacher to gain access to up to date materials for use in the classroom, or encouraging students to use the Internet as a library resource. While both of these are valid and worthwhile ways of integrating the WWW into the classroom, the WWW is only one component of the Internet.
Email is another common component of the Internet.
These activities are known as collaborative activities. The most widely referenced list of the different activities of how the Internet can be integrated in the classroom is Judi Harris' Network-Based Educational Activity Structures .