James Surowiecki: The power and the danger of online crowds

http://www.ted.com James Surowiecki pinpoints the moment when social media became an equal player in the world of news-gathering: the 2005 tsunami, when YouTube video, blogs, IMs and txts carried the news -- and preserved moving personal stories from the tragedy.


Duration : 18분 41초
Lisence : youtube
자막 : 있음