Twitter published its Transparency Report related to H1 2017, the company suspended 935,897 accounts for the promotion of terrorism. 75 percent of the infringing accounts were suspended before their first tweet confirming the huge efforts in fighting online propaganda and other activities linked to this threat. Fewer than 2 percent of accounts that were suspended were reported by governments worldwide. Government requests accounted for less than 1% of account suspensions. Tech giants Facebook, Microsoft, Twitter, and YouTube pledged to improve the information sharing by building a database of digital fingerprints of terrorism-related content removed.”]
Source: https://securityaffairs.co/wordpress/63246/terrorism/twitter-terrorism-transparency-report.html