The first time could have been chalked up to charming idiosyncrasy. [...] But the third and fourth times that Prime Minister Justin Trudeau of Canada wore themed socks on a public occasion, it seemed clear that something more calculated was going on. You’ve heard of fashion diplomacy, or frock diplomacy? The practice whereby a female politician, or the wife of a world leader, uses clothing to convey unspoken messages about a platform or position, or as a form of outreach? Well, this is clearly sock diplomacy.

India's prime minister is proposing a new addition to the lengthy list of annual U.N. observances: World Yoga Day. In his speech to the U.N. General Assembly, Prime Minister Narendra Modi extolled the therapeutic powers of yoga and said it could help tackle global problems.

His Highness the Prime Minister Sheikh Jaber Al-Mubarak Al-Hamad Al-Sabah underscored the importance of public diplomacy in strengthening ties between friendly nations. His Highness the Prime Minister's remark was made Sunday during his reception at Seif Palace of a Kuwait media delegation which has recently paid a visit to Iran. His Highness Sheikh Jaber lauded Kuwaiti media delegation's initiative to visit Iran, adding that such popular visits are in essential to build and boost people-to-people relations between countries.

Canada is among a small group of countries that have Twitter accounts for most of their embassies and missions, a global study revealed Wednesday. The study, called Twiplomacy and conducted by the public relations firm Burson-Marsteller, looked at the use of the microblogging site by heads of state and by governments and ministers of foreign affairs.

Legendary former Singaporean PM Lee Kuan Yew was way ahead of his time. He was the world’s very first Marketing Director for a country brand. He believed in the power of country marketing long before the Mad Men of Madison Avenue even thought about it.

Prime Minister Mikati tweeted that "social media is helping build digital diplomacy as a form of parallel public diplomacy".

After having won many hearts and minds in the Arab world, the Turkish prime minister continued to the Balkans and South Africa last week, presenting Turkey as a confident new player on the world stage. Read the international media coverage of these visits and you can see how big the impact is of this Turkish soft power offensive.