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Evan Williams, byname Ev,  American computer programmer who, with Jack Dorsey and Biz Stone, founded Twitter.

Twitter messages are called: Tweets

Logo of Twitter is: white X

Twitter launched on: 21 March 2006

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آسٹریلیا کا سب سے بڑا شہر سڈنی جبکہ دارالحکومت کینبرا ہے۔

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انقرہ 1923 میں ترکی کا دارالحکومت بنا تھا۔

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Turkmenistan Capital: Ashgabat (world's highest density of buildings made from white marble)

Declared by: Guinness World Records 

Location: Central Asia

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• Davos is a iciness and summer inn village placed inside the heart of the Graubünden inside the east of Switzerland.
• within the early 90s, Davos became well-known for web hosting the world financial discussion board, an annual winter collecting of global politicians and financiers who represented a transnational elite.
• Together with the close by city of Klosters, Davos offers a wide type of wintry weather sports activities, and summer time hiking trails, set amid stunning Alpine surroundings. in line with the spirit of Switzerland, and Western Europe in popular, being a gay-friendly part of the arena, Davos has a treat for the ladies as it hosts the annual Ella event.

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Sarajevo, capital and cultural centre of Bosnia and Herzegovina.

It lies in the narrow valley of the Miljacka River at the foot of Mount Trebević.

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Budapest is the most populous city and capital of Hungary.

Hungary is a country located in Europe.

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Capital of Iran_Tehran

Currency_ rial

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Located on the Taedong river

Capital and largest city of North Korea