Al-Qaida and ISIS Use Twitter Differently. Here’s How and Why.

Islamic State’s online efforts reveal how extreme the group is, even among extremists.

Kashmiri demonstrators hold up a flag of the Islamic State of Iraq and the Levant (ISIL) during a demonstration against Israeli military operations in Gaza, in downtown Srinagar on July 18, 2014.
TAUSEEF MUSTAFA/AFP/Getty Images
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