18:50Witness HistorySix Degrees - the first online social networkBBC World Service Duration: 9 minutes Wed 8th Apr 2020, 18:50 on BBC World Service East AsiaAvailable for over a yearListen nowAndrew Weinreich founded the first online social network in 1997. Show more GenresFactualHistoryFactualScience & NatureScience & TechnologyFormatsDocumentariesBrandWitness History Source: BBC Online