The latest account suspensions raised to 360,000 the total number of accounts sidelined since the middle of 2015 and was helping "drive meaningful results" in curbing the activity, according to the San Francisco-based company.
What began as a standard report by the BBC's Giles Dilnot turned into a Twitter meme that backfired against the UK Independence Party, the anti-immigrant upstart of British politics. The mistake over the BBC's supposed use of a "mosque" might mean the start of American "gaffe" obsession in Britain.
"Meryem" was a force on Twitter during the Gezi Park protests, tweeting news and information in Turkish and in English. She was covering the protests 22 hours a day — but that's a difficult pace to maintain when protest movements lose steam.
A University of Pennsylvania professor tweeting as “Nein Quarterly" has attracted more than 40,000 followers with his wry observations on everything from US politics to the sexiness of the German umlaut.
More than 200 teenage girls are still missing after Boko Haram Islamic militants reportedly abducted them two weeks ago. And Nigerians across the country are using protests and social media to demand that the government do something to bring the girls back.
British researchers are studying Western women from afar who have migrated into ISIS territory to join the jihadist group. The women jihadists post often on social networks. And some say they aren't content to be militant wives and mothers. They are itching to fight for the Islamic State.