1981年8月12日,IBM 推出了最早的个人计算机,之后很短的时间内,青少年们便不再把秘密藏在上锁的日记本里,而是把所有的秘密都藏在了诸如 Facebook 和 MySpace 的社交网站上。人们不再用墨水给远地的好友写信,而是可以通过网络摄像头看着他们,给他们发送即时消息。计算机化的手机让人们不再为错过电话或如何在人群中找到朋友而担忧。付费的长途电话让位给了通过互联网联结的 On August 12, 1981, IBM introduced the earliest personal computer. Within a short period of time, young people no longer hide their secrets in locked journals, but instead hid all their secrets on Facebook. And MySpace on social networking sites. People no longer use ink to write to distant friends. Instead, they can look at them through a webcam and send them instant messages. Computerized mobile phones make people no longer worry about missing calls or finding friends in the crowd. Paid long-distance phone give way to connect through the Internet