Webwatch The Strength of Weak Ties Issued on: 04/01/2014 - 03:00 Play - 05:15 It's time now for Webwatch, our weekly look at new technologies. The American sociologist Mark Granovetter discovered the strength of weak ties in 1973 YouTube/Dalton Conley/Screen capture Advertising Daily newsletterReceive essential international news every morning Subscribe Keep up to date with international news by downloading the RFI app By: Trevor Pinch and Mark Lane Read more on related topics: Culture New technology Social media