The ways that humans communicate with each other are diversifying and changing rapidly. Some people think if a golden era when Voice of America was on shortwave radio and there were the huddled masses listening and then looking for the secret police to knock on the door and hide the radio. That's not where we're at now.

Over the past two years, Ross, 39, has been incorporating those digital platforms into the daily lives of U.S. diplomats. Dozens of U.S. ambassadors around the world now use Facebook and Twitter, and the State Department boasts nine foreign-language Twitter accounts. These technologies, Ross argues, give the U.S. a new suite of tools for exerting "smart power" to advance its interests.

Staff members in Israeli missions worldwide are learning how to bolster their messages on the internet and social networks in preparation for September's UN vote on the Palestinian statehood bid...some 60 staff members of embassies in Europe and representatives of Jewish organizations are taking part in a seminar in Brussels which trains them on the combination between public diplomacy and online media.

Digital diplomats broadcast messages and multimedia, attract commenters to specially designed forums in foreign languages and monitor trending topics in an attempt to take the world’s pulse. But whether conducted online or off, public diplomacy has always been an inexact science. how do diplomats know whether their efforts are paying off?

Some of Africa's best-known musicians are working together to fight famine...Africans Act 4 Africa, launched today, aims to put pressure on African governments to fund relief for a crisis on their own turf. The group’s organizers hope to raise awareness through social media and media coverage, prompting leaders to step up to help the 12 million Kenyans, Somalis, and Ethiopians urgently needing food aid.

Western diplomats, accustomed to sighing over MEA's obsession with secrecy, now admit many countries could take a leaf out of India's public diplomacy division.

That was the genesis of the MEA’s move beyond its high walls into the social media platforms and to become more accessible through the tools of the 21st century—Twitter, Facebook, YouTube and their ilk.

South Africans and private institutions have been “generously” donating money and other resources to relief efforts in East Africa. South Africa recently mounted a media blitz to raise money for a government-established relief fund, as well as for medical supplies and non-perishable foods. The government has tried to widen the reach of the campaign with social media like Facebook and Twitter.