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TikTok, whose mainland Chinese counterpart is Douyin,[a][3] is a short-form video hosting service owned by Chinese internet company ByteDance. It hosts user-submitted videos, which can range in duration from three seconds to 60 minutes.[4] It can be accessed with a smartphone app. Since its launch, TikTok has become one of the world's most ...
Taylor Alison Swift (born December 13, 1989) is an American singer-songwriter. A subject of widespread public interest with a vast fanbase, she has influenced the music industry, popular culture, and politics through her songwriting, artistry, entrepreneurship, and advocacy. Swift began professional songwriting at 14. She signed with Big ...
Other projections have French not ranked as high, [48] but see French, with Arabic, rise among the top six languages by number of speakers, the projected languages with above 500 million speakers, and already today the top six languages: English, Mandarin, Hindi-Urdu, French, Arabic and Spanish being projected to fall behind, followed by ...
Probability theory. In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while ...
Elon Reeve Musk (/ˈiːlɒn/; born June 28, 1971) is a businessman and investor known for his key roles in space company SpaceX and automotive company Tesla, Inc. Other involvements include ownership of X Corp., formerly Twitter, and his role in the founding of The Boring Company, xAI, Neuralink and OpenAI. He is one of the wealthiest people ...
Russia,[b] or the Russian Federation,[c] is a country spanning Eastern Europe and North Asia. It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries.[d] It is the world's ninth-most populous country and Europe's most populous country. Russia is a highly urbanized ...
A map of the United States showing its 50 states, federal district and five inhabited territories. Alaska, Hawaii, and the territories are shown at different scales, and the Aleutian Islands and the uninhabited northwestern Hawaiian Islands are omitted from this map. The United States of America is a federal republic [1] consisting of 50 states ...
