"It is the spread of the good things that vindicates the whole reason we live our lives in networks. If I was always violent to you or gave you germs, you would cut the ties to me and the network would disintegrate. In a deep and fundamental way, networks are connected to goodness, and goodness is required for networks to emerge and spread."

Source : "Are your friends making you fat?" by Simon Garfield, www.theguardian.com. January 16, 2010.

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