The United States government is increasingly using social media to investigate people who may represent a security threat to the country.
美国政府越来越多地使用社交媒体来调查可能对国家造成恐怖威胁的人。
The latest example comes from the Department of Homeland Security’s Customs and Border Protection office. It wants to ask foreign visitors to provide information about their accounts on social media sites like Facebook and Twitter.
最新的例子来自于国土安全部海关和边境保护局。该局想要让外国游客提供像脸书和推特这样社交网站的账号信息。
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