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¡¡¡¡Bad news travels fast—when you watch the evening news or read the morning papers, it seems that things that get the most coverage are all tragedies like wars, earthquakes, floods, fires and murders.

This is the classic rule for mass media. “They want your eyeballs and don’t care how you’re feeling, ”Jonah Berger, a psychologist at the University of Pennsylvania, the US, told The New York Times.

But with social media getting increasingly popular, information is now being spread in different ways, and researchers are discovering new rules - good news can actually spread faster and farther than disasters and other sad stories.