It Started With a Tweet - Part 1

Published: July 10, 2012, 8:05 a.m.

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In the first of a two-part series, Duncan Hewitt investigates the impact of microblogging in China, where Sina's Weibo now has a greater membership than Twitter. He meets animal rights activists and mothers promoting breastfeeding as he finds out how social media is fostering a new civil society in China.

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