Notifying people and applications with E-mail.
使用电子邮件通知人员和应用程序。
In fact, one of the most popular Internet applications of all, E-mail, is inherently peer-to-peer.
事实上，在所有最流行的互联网应用之一，电子邮件，本质上是点对点的。
In fact, one of the most popular Internet applications of all, E-mail, is inherently peer-to-peer.
事实上，在所有最流行的互联网应用之一，电子邮件，本质上是点对点的。
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