网络提供了一种前所未有的信息传播途径。
An unprecedented channel for information transmission has been provided by computer networks.
这一社会图或社会地图一旦投入使用，它就能成为传播信息的有力途径。
Once this social graph, or map, is in place, it becomes a potent mechanism for spreading information.
也就是那个时候我们意识到我们有了我们需要的东西：一种向外传播信息的途径。
That's when we realized that we had what we needed: a way to get our message out.
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