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The most recent distance technology, the Internet, adds an interactive component not possible with the other technologies - collaborative communication over a prolonged period of time. Traditionally, distance education has been primarily between the instructor and the student, and there has been little or no opportunity for interaction among students.

Students are able to read and respond to all correspondence, thereby learning from each other as much as from the instructor.

Another clear advantage of asynchronous communication is that it allows students more time to think about questions posed, thus promotes higher quality responses.