社交媒体在这次爆炸案的各个阶段都体现出超越传统媒体的速度,对传统媒体提出了严峻挑战,这也意味着传统媒体应更注重求证与调查,而不是抢夺首发。美国波士顿国际马拉松赛事现场4月15日突发爆炸,造成3人死亡、超过200人受伤,成为“9·11”之后美国发生的针对平民目标第一起大规模恐怖袭击。在这一袭击发生后至嫌疑人察尔纳耶夫兄弟一死一擒的一个星期时间里,这一爆炸案几乎 Social media at all stages of this bombing show the speed of surpassing traditional media and poses a severe challenge to traditional media. This also means that traditional media should pay more attention to verification and investigation than to snatch the first episode. The April 15 explosion at the Boston International Marathon in the United States killed three people and injured more than 200 people. It became the first large-scale terrorist attack on civilian targets in the United States after the September 11 attacks. In a week’s time since the attack on the suspect, the Chalnayev brothers, dead, the bombing almost