The DocumentaryThe Islamic State's Social Media Machine12/05/2015 GMTBBC World Service Duration: 23 minutesFirst broadcast: Tue 12th May 2015, 03:32 on BBC World Service OnlineLatest broadcast: Sun 17th May 2015, 12:05 on BBC World Service OnlineInvestigating global developments, issues and affairs.GenresFactualFormatsDocumentariesBrandThe DocumentarySeriesThe Documentary: The Islamic State's Social Media Machine Source: BBC Online