Portal:Technology

 The Technology Portal 

The wheel, invented sometime before the 4th millennium BC, is one of the most ubiquitous and important technologies. This detail of the "Standard of Ur", c. 2500 BCE., displays a Sumerian chariot

Technology is the application of conceptual knowledge for achieving practical goals, especially in a reproducible way. The word technology can also mean the products resulting from such efforts, including both tangible tools such as utensils or machines, and intangible ones such as software. Technology plays a critical role in science, engineering, and everyday life.

Technological advancements have led to significant changes in society. The earliest known technology is the stone tool, used during prehistoric times, followed by the control of fire, which contributed to the growth of the human brain and the development of language during the Ice Age. The invention of the wheel in the Bronze Age allowed greater travel and the creation of more complex machines. More recent technological inventions, including the printing press, telephone, and the Internet, have lowered barriers to communication and ushered in the knowledge economy. (Full article...)

Recognized articles -

Entries here consist of Good and Featured articles, which meet a core set of high editorial standards.

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  U.S. Route 197 (US 197) is a north–south United States Highway, of which all but 2.76 miles of its 69.93 miles (4.44 of 112.54 km) are within the state of Oregon. The highway starts in rural Wasco County in Central Oregon at an intersection with US 97. US 197 travels north as a continuation of The Dalles-California Highway No. 4 through the cities of Maupin, Tygh Valley, and Dufur to The Dalles. Within The Dalles, the highway becomes concurrent with US 30 and intersects Interstate 84 (I-84) before it crosses over the Columbia River on The Dalles Bridge into Washington. The highway continues through the neighboring city of Dallesport in Klickitat County and terminates at a junction with State Route 14 (SR 14).
  
  US 197 was established in 1952 using the existing The Dalles-California Highway, itself created as a part of the initial named Oregon highways in 1917. US 197 traveled from its current northern terminus at Dallesport to US 97 in Maryhill along Primary State Highway 8 (PSH 8) and US 830, successors to the original State Road 8 designated along the corridor in 1907. The Dallesport–Maryhill section was transferred to SR 14 in 1979, but was not recognized by the American Association of State Highway and Transportation Officials (AASHTO) until 2006. (Full article...)
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  Vidyasagar Setu, also known as the Second Hooghly Bridge, is a toll bridge over the Hooghly River in West Bengal, India, linking the cities of Kolkata and Howrah.
  
  Opened in 1992, with a total length of 823 metres (2,700 ft), Vidyasagar Setu is the first and longest cable-stayed bridge in India and one of the longest in Asia. It was the second bridge to be built across the Hooghly River; the first, the Howrah Bridge (also known as Rabindra Setu) 3.7 kilometres (2.3 mi) to the north, was completed in 1943. Named after the education reformer Pandit Ishwar Chandra Vidyasagar, it cost ₹388 crore to build. The project was a joint effort between the public and private sectors, under the control of the Hooghly River Bridge Commissioners (HRBC). (Full article...)
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  An inbound train at Aquarium station in July 2019

  
  Aquarium station is an underground rapid transit station on the MBTA Blue Line in Boston, Massachusetts, United States. It is located under State Street at Atlantic Avenue on the eastern edge of Boston's Financial District near Boston Harbor. The station is named for the nearby New England Aquarium. It is adjacent to Long Wharf, which is used by two MBTA Boat lines. The station has two side platforms serving the two tracks of the Blue Line; an arched ceiling runs the length of the platform level. With the platforms 50 feet (15 m) below street level, it is the second-deepest station on the MBTA system (after Porter station).
  
  The Boston Elevated Railway (BERy) opened the Atlantic Avenue Elevated on August 22, 1901, with a station at State Street. The BERy opened the East Boston Tunnel under State Street and Long Wharf for streetcars on December 30, 1904. Construction of the intermediate station at Atlantic Avenue under the Elevated was delayed; it opened on April 5, 1906. Unlike other early stations in Boston, which were built with cut-and-cover tunneling, most of Atlantic Avenue station was built as a large barrel vault. The access shaft at the east end of the station was topped with a three-story headhouse, which included a footbridge to the elevated station. Four unusual angled elevators connected the headhouse to the platforms. (Full article...)
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  Route 58 is a former state highway in the city of Newark, New Jersey and nearby town of Harrison, New Jersey. The highway ran from Orange and Hecker Streets in Newark, eastbound as a four-lane freeway across the William A. Stickel Memorial Bridge (known as the Stickel Bridge) to Harrison, where it terminated at an intersection with County Route 508. The route originates as an alignment of Route 25A, a suffixed spur designated in 1939 of State Highway Route 25. The route was rechristened as Route 58 in the 1953 state highway renumbering. The highway was constructed into Interstate 280 in the 1950s, and the route persisted internally until the 1990s, when it was finally removed as a designation. A stub alignment of Route 58 remains near Hecker and Orange Streets. (Full article...)
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  A preserved Gullfisk

  
  Class B and Class E, normally referred to as Gullfisk (Norwegian for "goldfish"), were a class of 46 trams built by Strømmens Værksted and Skabo Jernbanevognfabrikk for Oslo Sporveier and Bærumsbanen of Oslo, Norway, in 1937 and 1939. They were the first aluminium trams to operate on the Oslo Tramway and the first bogie trams to operate on street lines. They had contemporary modern electronic equipment, a streamlined shape, and comfortable accommodation. Until 1964, they were also faster than any other Norwegian tramcar or suburban railcar.
  
  Six prototype trams were delivered by Strømmen in 1937, with four different motor solutions, from AEG, Siemens, Vickers and Norsk Elektrisk & Brown Boveri (NEBB). None of these were particularly successful, and the 40 serial production trams used conventional motors from ELIN. These were delivered in 1939, with 20 (class E) being used by Oslo Sporveier mainly on the Kjelsås Line, but also on other services. The remaining 20 trams (class B) were leased to Bærumsbanen, that used them on the Kolsås and Østensjø Lines, and later on the Ekeberg Line. (Full article...)
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  Main terminal building

  
  Kamloops Airport (IATA: YKA, ICAO: CYKA), also known as Fulton Field or John "Moose" Fulton Airfield, is a regional airport located 5 nautical miles (9 km; 6 mi) west northwest of Kamloops, British Columbia, a city in the Thompson region of Canada. It is owned by the Kamloops Airport Authority Society, while operated by Kamloops Airport Limited, serving the North Okanagan, Nicola and Shuswap areas. Initial examination for the airport's construction began in June 1931, when the city leased 46 acres (19 ha) from fruit-growing company BC Fruitlands.
  
  Along with an air show presentation, the airport publicly opened on August 5, 1939. It has 2,780 by 49 ft (847 by 15 m) and 8,000 by 148 ft (2,438 by 45 m) runways aligned 05/23 and 09/27, and served approximately 263,290 passengers in 2011. The airfield maintains a restaurant, The Bread Garden, as well as a medical facility, accommodation areas and administrative buildings; food and snacks are also offered. Its terminal, runway and navigation aids were expanded and upgraded by 2009. It has seen one accident throughout its history. (Full article...)
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  M-217, also known as Michiana Parkway, is a multi-lane state trunkline highway in the U.S. state of Michigan. The Michiana Parkway, which extends into Indiana, was constructed as a joint effort of the Michigan Department of Transportation (MDOT), the Cass County Road Commission and the Elkhart County Highway Department. Michigan's segment of the parkway is 1.563 miles (2.515 km) long continuing County Road 17 (CR 17) in Elkhart County north into the state. (Full article...)

Selected picture

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  Filling station

  Photograph: Uwe Aranas

  A filling station in Sabah, Malaysia, operated by Royal Dutch Shell. Filling stations, also known under a wide variety of names, are facilities that sell fuel and engine lubricants for motor vehicles. They include one or more fuel dispensers, which distribute fuels such as gasoline and diesel into the tanks within vehicles and calculate the financial cost of the fuel transferred. Filling stations may also include air compressors and electricity sockets, which may inflate tyres or offer charging stations. Many filling stations also incorporate a convenience store, where customers can purchase snacks and other goods.
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  Blender (software)

  Image credit: Michael Otto

  A pastoral scene of a lone house, composed using Blender, an open source 3D computer graphics software. Blender can be used for a number of applications and is available for a wide variety of operating systems.
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  Telephone

  Credit: Berthold Werner

  A telephone, or phone, is a telecommunications device that converts sound, typically the human voice, into electronic signals suitable for transmission via cables or other transmission media over long distances through satellite.
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  Mary Jackson

  Photograph credit: Langley Research Center; restored by Adam Cuerden

  Mary Jackson (1921–2005) was an African American mathematician and aerospace engineer at the National Advisory Committee for Aeronautics, which was succeeded by NASA in 1958. For most of her career, she worked at Langley Research Center in Hampton, Virginia; starting as a computer at the segregated West Area Computing division, she later took advanced engineering classes and, in 1958, became NASA's first black female engineer.
  
  After 34 years at NASA, Jackson had earned the most senior engineering title available. Realizing that she could not earn further promotions without becoming a supervisor, she accepted a demotion to become a manager of the Federal Women's Program in the NASA Office of Equal Opportunity Programs, as well as of the Affirmative Action Program. In this role, she worked to influence both the hiring and promotion of women in NASA's science, engineering and mathematics careers. She was portrayed by Janelle Monáe as a lead character in the 2016 film Hidden Figures. This picture, taken in 1980, shows Jackson working at NASA Langley.
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  Nesjavellir

  Photo credit: Gretar Ívarsson

  The Nesjavellir geothermal power plant, located near Þingvellir, Iceland is the largest of five such plants in the country. Because of the high concentration of volcanoes in Iceland, geothermal energy is so inexpensive that in the wintertime, some pavements in Reykjavík and Akureyri are heated.
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  Thomas Edison

  Photo: Bachrach Studios; Restoration: Michel Vuijlsteke

  Thomas Edison (1847–1931) was an American inventor, scientist and businessman who developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb. Dubbed "The Wizard of Menlo Park" (now Edison, New Jersey) by a newspaper reporter, he was one of the first inventors to apply the principles of mass production and large teamwork to the process of invention, and therefore is often credited with the creation of the first industrial research laboratory. Edison is considered one of the most prolific inventors in history, holding 1,093 U.S. patents in his name, as well as many patents in the United Kingdom, France and Germany.
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  Overhead power line

  Credit: Simon Koopmann

  An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy along large distances. It consists of one or more conductors suspended by towers or utility poles.
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  George Washington Carver

  Photograph credit: Unknown; restored by Adam Cuerden

  George Washington Carver (1860s–1943) was an American agricultural scientist and inventor. Born into slavery in Diamond, Missouri, he was raised by his master Moses Carver after being emancipated, having been separated from his parents as an infant during a kidnapping incident. After college, Carver became a professor at Tuskegee Institute, where he developed techniques to improve soils depleted by repeated plantings of cotton. He wanted poor farmers to grow alternative crops, such as peanuts and sweet potatoes, as a source of their own food and to improve their quality of life. Carver spent years developing and promoting products made from peanuts, although none became commercially successful. Apart from his work to improve the lives of farmers, he was also a leader in promoting environmentalism. Carver received numerous honors for his work, including the NAACP's Spingarn Medal. In an era of very high racial polarization, his fame reached beyond the black community; he was widely recognized and praised in the white community for his many achievements and talents. In 1941, Time magazine dubbed Carver a "black Leonardo".
  
  This picture of Carver was taken around 1910 and is in the collection of the Tuskegee University archives.
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  Steam turbine

  Photo credit: Christian Kuhna

  The rotor of a modern steam turbine , which converts steam (heat) energy into kinetic (mechanical) energy. The steam path is from the smallest blade, expanding through progressively larger blade elements. Steam turbines are used in power plants to extract mechanical work from pressurized steam and benefit from their high efficiency and high power-to-weight ratio compared to other technologies, leading to their widespread deployment from electricity generation to marine propulsion.
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  Let L-410 Turbolet

  Photo: Łukasz Golowanow

  The Let L-410 Turbolet is a twin-engined short-range transport aircraft, manufactured by the Czech aircraft manufacturer LET, mostly used for passenger transport. The L-410 first flew in 1969, and with more than 1100 produced, is the most popular 19-seat plane in history.
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  Union Pacific 844

  Photo: Drew Jacksich; edit: Bruce1ee

  Union Pacific 844 at Painted Rocks, Nevada, on a run from Elko to Sparks, on September 15, 2009. Built in 1944, it was the last steam locomotive delivered to Union Pacific and is the only steam locomotive never retired by a North American Class I railroad.
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  Movable type

  Photo credit: Willi Heidelbach

  A composing stick and movable type, the system of printing and typography using pieces of metal type, made by casting from matrices struck by letterpunches. The text on the stick reads, "The quick brown fox jumps over the lazy dog and feels as if he were in the seventh heaven of typography together with Hermann Zapf, the most famous artist of the" [sic].
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  Wheel

  Credit: fir0002

  A wheel is a circular component that is intended to rotate on an axial bearing. The wheel is one of the main components of the wheel and axle which is one of the six simple machines.
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  Eiffel Tower

  Photo: Benh Lieu Song

  The Eiffel Tower as seen from the Champ de Mars. At 324 metres (1,063 ft) tall, the tower, an iron lattice tower, is the tallest building in Paris, the most-visited paid monument in the world, as well as one of the most recognizable structures in the world. Named after its designer, Gustave Eiffel, it was built as an entrance arch for the 1889 Exposition Universelle and has since become the most prominent symbol of both Paris and France.
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  Soyuz MS

  Diagram credit: AstroBidules

  The Soyuz MS is the latest revision of the Russian spacecraft series Soyuz. It is an evolution of the Soyuz TMA-M, with modernization mostly concentrated on its communications and navigation subsystems. The spacecraft is used by Roscosmos for human spaceflight. The Soyuz MS has minimal external changes with respect to the Soyuz TMA-M, mostly limited to antennas and sensors, as well as the thruster placement. The first launch, Soyuz MS-01, took place on 7 July 2016 aboard a Soyuz-FG launch vehicle towards the International Space Station. This exploded-view diagram illustrates and labels various components of the Soyuz MS spacecraft and the Soyuz-FG rocket.
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  STS-119

  Photo: NASA

  This photo of the International Space Station (ISS) was taken during STS-119, a Space Shuttle mission that delivered and assembled the fourth starboard Integrated Truss Segment, and the final set of solar arrays and batteries to the station. Construction of the ISS is still ongoing and is scheduled to complete in December 2011.
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  Laptop computer

  Credit: Mike McGregor

  The OLPC XO-1 is an inexpensive subnotebook laptop computer intended to be distributed to children in developing countries.
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  John Herschel

  Photograph: Julia Margaret Cameron; restoration: Adam Cuerden

  John Herschel was an English mathematician, astronomer, chemist, inventor, and experimental photographer. He named seven moons of Saturn and four moons of Uranus, invented the cyanotype and actinometer, and wrote extensively on topics including meteorology, physical geography and the telescope.
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  Four-stroke cycle

  Photo credit: Eric Pierce

  The four-stroke cycle of an internal combustion engine is the cycle most commonly used for automotive and industrial purposes today, including cars, trucks, and generators.
  
  The cycle was invented by Nikolaus Otto in 1876, and is also called the Otto cycle. The cycle is characterized by four strokes, or straight movements in a single direction, of the piston.
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  Escalator

  Credit: Stig Nygaard

  An escalator is a moving staircase for carrying people between floors of a building. The device consists of a motor-driven chain of individual, linked steps that move up or down on tracks, allowing the step treads to remain horizontal.

Main topics

General images -

The following are images from various technology-related articles on Wikipedia.

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  Alessandro Volta with the first electrical battery. Volta is recognized as an influential inventor. (from Invention)
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  Top 30 AI patent applicants in 2016 (from Emerging technologies)
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  Edison electric light bulbs 1879–80 (from History of technology)
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  Eric M. C. Tigerstedt (1887–1925) was known as a pioneer of sound-on-film technology. Tigerstedt in 1915. (from Invention)
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  The wheel, invented sometime before the 4th millennium BC, is one of the most ubiquitous and important technologies. This detail of the "Standard of Ur", c. 2500 BCE., displays a Sumerian chariot. (from History of technology)
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  Walls at Sacsayhuaman (from History of technology)
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  'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928 (from Invention)
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  Solid-state air batteries
  Li-Air composition (from Emerging technologies)
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  Dome of Florence Cathedral (from History of technology)
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  The compartmented water wheel, here its overshot version (from History of technology)
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  Agriculture preceded writing in the history of technology. (from History of technology)
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  Clock from Salisbury Cathedral, ca. 1386 (from History of technology)
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  A water-powered mine hoist used for raising ore, ca. 1556 (from History of technology)
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  A variety of stone tools (from History of technology)
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  The preserved Rocket (from History of technology)
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  A late Bronze Age sword or dagger blade (from History of technology)
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  Ford assembly line, 1913. The magneto assembly line was the first. (from History of technology)
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  3D printer (from Emerging technologies)
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  A rare 1884 photo showing the experimental recording of voice patterns by a photographic process at the Alexander Graham Bell Laboratory in Washington, D.C. Many of their experimental designs panned out in failure. (from Invention)
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  The Gutenberg press was voted the most important invention of the second millennium. (from Invention)
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  Self-replicating 3D printer (from Emerging technologies)
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  NASA Fuel cell stack
  Direct-methanol cell. (from Emerging technologies)
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  Thomas Edison with his second phonograph, photographed by Levin Corbin Handy in Washington, April 1878 (from History of technology)
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  Design for a flying machine (c.1488) by da Vinci (from History of technology)
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  An axehead made of iron, dating from the Swedish Iron Age (from History of technology)
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  Newcomen steam engine for pumping mines (from History of technology)
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  Pont du Gard in France, a Roman aqueduct (from History of technology)

Did you know (auto-generated) -

• ... that Guy Parmelin, now President of Switzerland, opened the study program of cyber security of the Lucerne School of Information Technology in 2018?
• ... that when Chorus Systèmes SA was founded in 1986, French technology start-up companies were rare?
• ... that Peter Corby's electric trouser press used technology designed for Concorde?
• ... that OPTi Inc. won a patent suit against Apple for unauthorized use of "predictive snooping" technology?
• ... that Research Policy is regarded as the leading journal in the field of innovation studies?
• ... that Flathead Lake Biological Station can detect invasive aquatic species in real-time using eDNA technology?
• ... that several science fiction critics praised "Rock Diver", the first short story by American writer Harry Harrison, for its compelling take on technology for passing through matter?
• ... that Małgorzata Kalinowska-Iszkowska was awarded a Polish Gold Cross of Merit for her work in information technology?

Top 10 WikiProject Technology popular articles of the month

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  Logo used since 2017

  
  YouTube is an American online video sharing platform owned by Google. Accessible worldwide, YouTube launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, United States, it is the second most visited website in the world, after Google Search. YouTube has more than 2.5 billion monthly users, who collectively watch more than one billion hours of videos every day. , videos were being uploaded to the platform at a rate of more than 500 hours of content per minute, and as of 2021, there were approximately 14 billion videos in total. (Full article...)
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  ChatGPT is a chatbot and virtual assistant developed by OpenAI and launched on November 30, 2022. Based on large language models (LLMs), it enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. Successive user prompts and replies are considered at each conversation stage as context. (Full article...)
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  Facebook is a social media and social networking service owned by the American technology conglomerate Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American university students. Membership was initially limited to Harvard students, gradually expanding to other North American universities. Since 2006, Facebook allows everyone to register from 13 years old, except in the case of a handful of nations, where the age limit is 14 years. , Facebook claimed almost 3 billion monthly active users. As of October 2023, Facebook ranked as the 3rd most visited website in the world, with 22.56% of its traffic coming from the United States. It was the most downloaded mobile app of the 2010s. (Full article...)
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  WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. It allows users to send text, voice messages and video messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApp's client application runs on mobile devices, and can be accessed from computers. The service requires a cellular mobile telephone number to sign up. In January 2018, WhatsApp released a standalone business app called WhatsApp Business which can communicate with the standard WhatsApp client. (Full article...)
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  The Google logo used since 2015

  
  Google LLC (/ˈɡuːɡəl/ , GOO-ghəl) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial intelligence (AI). It has been referred to as "the most powerful company in the world" and is one of the world's most valuable brands due to its market dominance, data collection, and technological advantages in the field of AI. Google's parent company, Alphabet Inc. is one of the five Big Tech companies, alongside Amazon, Apple, Meta, and Microsoft. (Full article...)
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  Musk in 2022

  
  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 in the world; , Forbes estimates his net worth to be US$210 billion. (Full article...)
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  Meteor Lake is Intel's codename for the first generation of Intel Core Ultra mobile processors, and was officially launched on December 14, 2023. It is the first generation of Intel mobile processors to use a chiplet architecture which means that the processor is a multi-chip module. Tim Wilson led the system on a chip development for this generation microprocessor. (Full article...)
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  Final logo, used from 2012 to 2023

  
  Twitter was an American social networking service that was rebranded as X in 2023. Established in March 2006, it grew to become one of the world's largest social media websites and the fifth-most visited website in the world. It was launched in July 2006, and its creators Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams, established Twitter, Inc. in San Francisco, California, as its managing company in April 2007. (Full article...)
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  Video views per week of a viral video (Gangnam Style), illustrating viral growth to peak weekly viewership, in this case, in the eleventh week after it was posted.

  
  A viral video is a video that becomes popular through a viral process of Internet sharing, typically through video sharing websites such as YouTube as well as social media and email. For a video to be shareable or spreadable, it must focus on the social logics and cultural practices that have enabled and popularized these new platforms. (Full article...)
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  Portrait by Joseph Duplessis, 1778

  
  Benjamin Franklin FRS FRSA FRSE (January 17, 1706 [O.S. January 6, 1705] – April 17, 1790) was an American polymath: a leading writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher. Among the most influential intellectuals of his time, Franklin was one of the Founding Fathers of the United States; a drafter and signer of the Declaration of Independence; and the first postmaster general. (Full article...)

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May 10, 2024 – Israel–Hamas war protests

Police dismantle encampments and arrest dozens of students protesting at the Massachusetts Institute of Technology in Cambridge, Massachusetts, and the University of Pennsylvania in Philadelphia, Pennsylvania. (Reuters)

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