唯一能在一天之内让如此多的人了解某件事情的技术就是电视，然而其他媒介也不是落得太远。

Television is the only technology that can reach so many people in a single day. But others are not far behind.

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这项技术可以允许用户向他们的亲密好友分享他们的活动信息，看到朋友在一天中的不同面貌。

This would allow users to share their activity information with their close friends and watch avatar versions of their friends throughout the day.

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这项新技术会使太阳能发电与煤炭发电一样便宜的那一天早些到来。

And it would bring the day closer when solar electricity is as cheap as that generated from coal.

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Because after that first day, all of them will do the communicating through technological means.

因为第一天过后，所有人都会,通过技术手段进行沟通。

麻省理工公开课 - 媒体、教育、市场课程节选