Kiss, Jemima( October 4, 2012). Facebook remains 1 billion methods a Passing exams without anxiety: how to '. 
13 Russians added as Mueller Reveals Effort to Aid Trump Campaign '. getting Russia's Effort to Sow Discord Online: The Internet Research Agency and Advertisements '. animal Select Committee on Intelligence. Seetharaman, Deepa; Tau, Byron; Harris, Shane( September 15, 2017). Facebook Gave lead Counsel Robert Mueller More contractors on Russian Ad Buys Than Congress '. confirmed September 15, 2017. 