The effects of technology on language and the effects of language on culture as a whole are profound and complex  The telegraph, the telephone, and the television have all changed the way people speak to one another  The best current example of such a change is the advent of electronic mail, which has effected a widespread loosening of language usage rules
This loosening has, in turn, made relationships between people more casual than ever before
Changes in interpersonal relationships can cause changes in the way people speak to one another.