当一条新闻在网上发布时，我们很难预测它会在多广的范围内被博客和微博所关注，也不知道这样的关注会持续多久。
When a piece of news breaks online, it's hard to predict how widely it will be discussed in blog posts or tweets and for how long.
很多地方警察局都有自己的微博来发布消息和澄清传言，找到并关注你自己地区的警局的微博是很值得去做的。
Many local police forces have been using Twitter to give out information and field rumours, and it's well worth finding yours and following them.
他们在公众的关注下逐渐壮大，在微博和其他社会性媒体上鼓吹其功绩。
And they thrive on the oxygen of publicity, boasting of their exploits on Twitter and other social-media services.
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