facebookmanagedtoputitsvasttreasuretroveofuserdatogooduseafterfridaystragicterrorattacksinparis 3360 thesocialnetworkcustomize letusersknowwhethertheirfriendsandlovedonesinparisaresafe .上周五巴黎再次发生大灾难后，社交媒体脸书试图充分利用大量的用户数据： faces usersintheareaarebeingalertedbyfacebooksmobileapps， asking them whether they are safe是andofferingtocheckonanyoftheirfriends.theapphasalsobeensendingoutalertstoanyonewhohasfriendsing andfacebookswebsiteletsanyonecheckonthestatusandwhereaboutsoftheirfriendsaswell 这个程序还向巴黎有朋友的所有用户发送了警告。脸谱网，向所有人对外开放寻找他们朋友的状况和下落。mostpeoplehavelikelyseenfacebookssafetycheckforthefirsttimetoday， butthecompanyactuallylauncheditinresponsetothenepalearthquakeearlierthisyear.at the time是facebookceomarkzuckerbergwrote 3360 w peopleneedtoknowtheirlovedonesaresafe.itsmomentslikethisthatbeingabletoconnectreallymatters .许多人今天第一次找到脸谱网安全检查但是，脸谱网比今年尼泊尔地震时更早推出了这个功能。当时，Facebook的创始人马克扎克伯格写道，灾难再次发生时，人们渴望知道自己的恋人还有安全性。

我知道这种时候保持联系是最重要的。facebookwasnttheonlytechcompanytodirectlyreachouttoitsusersinparisaftertheterrorattacks.airbnbsentitscustomersinparisanemaris eandfollowthedirectionsfromlocalauthorities认为anduberuseditsapptoadviseuserstonotmoveunlessabsolutelynecessary .不仅是脸谱网AirBnB (空中住宿)给在巴黎的顾客发了邮件，鼓励他们当场无视当地当局的指挥官。

优步是为了说服用户而应用的，除非意思合适，否则不要乱跑。Paris-basedtwitteruserstookinitiativeintotheirownhandsandquicklyestablishedahashtag-# porte ouverte， whichtranslatestoopendoor-toopenuptheirhomesastemporaryshelterstootherscaughtupinthechaos .巴黎推特用户们开始自己提出建议，立即#porte。

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