If ideas and articles on the Internet essentially never go viral, then how do some things still achieve such massive popularity so quickly? Viral spread isn’t the only way that a piece of content can reach a large population, the researchers said. There is another mechanism, called “broadcast diffusion”—many people getting information from one source. They wrote: Broadcasts can be extremely large—the Super Bowl attracts over 100 million viewers, while the front pages of the most popular news websites attract a similar number of daily visitors—and hence the mere observation that something is
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