How Social Networks Predict Epidemics – Nicholas Christakis
After mapping humans’ intricate social networks, Nicholas Christakis and  colleague James Fowler began investigating how this information could  better our lives. Now, he reveals his hot-off-the-press findings: These  networks can be used to detect epidemics earlier than ever, from the  spread of innovative ideas to risky behaviors to viruses (like H1N1).
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