There are now two opposite viewpoints on the research of the internet-based interpersonal relationship and the reality-based interpersonal relationship, namely, "theory of extension" and "theory of alienation". The former holds that the internet-based interpersonal relationship is an extension of the reality-based interpersonal relationship while the latter holds that the internet-based interpersonal relationship is an alienation of the reality-based interpersonal relationship. Through a summary review of the related research findings, this...