Using the hashtag #AskState, participants from around the world can simultaneously submit questions and share ideas directly with Under Secretary Sonenshine about U.S. public diplomacy.

The Walk a Mile campaign combines two causes that Michelle Kwan is passionate about - promoting healthy living and cultural understanding into one global platform for good.

We encourage the use of social media. We encourage athletes to engage and to connect," Hout said. "There are some rules to follow, there's no question about it. But we don't police the fans, we don't police the athletes. We don't do that. What we do is we engage.

The social media revolution is taking place not just in Tahrir Square and Arab streets, but also in foreign ministries around the world as policymakers try to grasp the demands of real-time diplomacy.

Far from being rendered irrelevant by technological progress, where governments can communicate with one another directly on a need-to basis, diplomacy has become an increasingly critical instrument in an age of interdependence and globalization.

Israel's Facebook page in India ranks in top three foreign country pages. The Israel in India Facebook page, launched by the Embassy of Israel in August 2010, has received almost 20,000 'likes', a figure surpassed only by the pages of the US and the UK.