Twitter praised for cracking down on use by Islamic State

Officials with the nonprofit Simon Wiesenthal Center praised Twitter Inc on Monday for increasing efforts to thwart Islamic State’s use of its platform for recruitment and propaganda purposes. The center’s Digital Terrorism and Hate Project gave Twitter a grade of “B” in a report card of social networking companies’ efforts to fight online activity by militant groups such as IS.
“We think they are definitely heading in the right direction,” the project&r