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FromAl Qaeda in the Arabian PeninsulatoJabhat al-Nusra toAnsar al-Sharia in LibyatoJaysh al-Islam, the rate of membership escalation for each discrete channelis staggering, within a week's time, one single Islamic State channel went from 5,000 members to well over 10,000 members. Though it is unclear if what is commonly referred to as ‘ the ISIS fan club ’ will migrate toTelegram, what is clear is that the hard core disseminators already have.