It is necessary and possible to make an initiative and healthy cognitive social map.

构筑积极健康的社会认知地图，不仅是必要的，而且是可能的。

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Once this social graph, or map, is in place, it becomes a potent mechanism for spreading information.

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。

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The fancy mathematical name he has for this map is a “social graph”, a model of nodes and links in which nodes are people and connections are friendships.

他给这一地图起了一个富于想象力而又很数学化的名字“社会图”，它是一个由节点和连接节点的线组成的数学模型，其中节点就是一个个的人而人与人的连线则代表他们的友谊。

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The information about your social network map is out there, just spread across possibly many different software systems.

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Here is an example of crime logic at work: the cybercriminal identifies a target enterprise and uses the wealth of information on Facebook, LinkedIn and other social networks to map the organization.

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If Home is successful, it is conceivable that Facebook, even more than the other companies, will be able to extensively map your social activities to your communications, web browsing, app use and physical activities.

FORBES: Facebook Home: More Disruptive Than You Think