Portal:Internet
The Internet PortalSelected articleX, commonly referred to by its former name Twitter, is a social media website based in the United States. With over 500 million users, it is one of the world's largest social networks and the fifth-most visited website in the world. Users can share text messages, images, and videos through short posts (originally called "tweets"). X also includes direct messaging, video and audio calling, bookmarks, lists and communities, and Spaces, a social audio feature. Users can vote on context added by approved users using the Community Notes feature. The service is owned by the American company X Corp., the successor of Twitter, Inc. Twitter was created in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams, and launched in July of that year. Twitter grew quickly, and , more than 100 million users produced 340 million tweets per day. Twitter, Inc., was based in San Francisco, California, and had more than 25 offices around the world. A signature characteristic of the service is that posts are required to be brief (originally 140 characters, later expanded to 280 in 2017). The majority of tweets are produced by a minority of users. In 2020, it was estimated that approximately 48 million accounts (15% of all accounts) were not genuine people. (Full article...) Selected pictureA hotspot is a venue that offers Wi-Fi access. The public can use a laptop, WiFi phone, or other suitable portable device to access the Internet. Of the estimated 150 million laptops, 14 million PDAs, and other emerging Wi-Fi devices sold per year for the last few years, most include the Wi-Fi feature. News
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Selected biographyLeonard Kleinrock (born June 13, 1934 in New York) is a computer scientist, and a professor of computer science at UCLA, who made several important contributions to the field of computer networking, in particular to the theoretical side of computer networking. He also played an important role in the development of the ARPANET at UCLA. His most well-known and significant work is his early work on queueing theory, which has applications in many fields, among them as a key mathematical background to packet switching, the basic technology behind the Internet. His initial contribution to this field was his doctoral thesis in 1962, published in book form in 1964; he later published several of the standard works on the subject. His theoretical work on hierarchical routing, done in the late 1970s with his then-student Farouk Kamoun, is now critical to the operation of today's world-wide Internet. General images -The following are images from various internet-related articles on Wikipedia.
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