There are government agencies such as the police forces in Delhi, Indore and Meerut which use Facebook creatively to track crimes and keep citizens informed . The ministry of external affairs has come in for praise for using Twitter as a tool for public diplomacy. But such examples are few and far between.

The 24-year-old host of "OMG Meiyu," a trendy, cross cultural English teaching feature produced by Voice of America’s Mandarin Service, has become an overnight sensation in China...More than 2-million people have now clicked on Jessica Beinecke’s quirky videos, which teach Chinese speakers about common English expressions used by young Americans.

Jesus Daily, a page that has 8.4 million “Likes” and belongs to a North Carolina-based diet doctor...features a picture of Jesus dressed as a shepherd and is updated daily with biblical quotes, prayers and reflections on the man who Christians call the savior. The New York Times notes that Jesus Daily is hardly the only wildly popular religious page and that the page speaks to a trend of people connecting with their faith outside of traditional religious institutions.

When people think of social media and revolutions, I think the tendency is to think solely of activists organizing rallies on Twitter and Facebook (they do do that too.) But more important seems to be the way that social media and shared cell phone video footage help in building a shared consciousness.

The relevant Chinese government departments should think about how to deal with overseas publicity and public diplomacy in Vietnam: winning hearts and minds, especially of the post-Vietnam-War generation, who have a much more favorable impression of the U.S., than of China.

The emergence of Weibo promotes public interaction to an unprecedented level and enables limitless discussions on topics like the bullet train crash and the scandal surrounding the Red Cross Society of China. Weibo serves as a watershed mark for China's media environment.

Since 9/11, the documentation of conflict...often by civilians carrying camera-equipped mobile phones, whose footage can be viewed almost instantaneously across the globe—actually takes precedent in the public mind over context and analysis. In 2011, when history happens, it is more often than not a nonjournalist with a pocket camera, a blog or a Twitter account who files the initial dispatch.

As anticorruption crusader Anna Hazare put an end to his 13-day hunger strike on Sunday, tens of thousands of citizens celebrated what many described as the triumph of his anticorruption movement. Bollywood also joined the celebrations. From superstar Amitabh Bachchan toBollywood singer Lata Mangeshkar, Twitter was flooded with posts congratulating the 73-year-old Gandhian activist.